How To Clean Catalytic Converter▶️ P0420 P0430 Fix

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▶️▶️Want to clean your catalyst without removing it? Is it Smog TEST or Emission test time already? Is your Catalytic Inspection Monitor or know as CAT monitor is still not ready. Watch this cool video how to clean your catalytic converter the easy way.
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A driving cycle is a series of data points representing the speed of a vehicle versus time. Inspection Monitors like the Catalyst inspection monitor need to be complete in order to pass an emission test.
Driving cycles are produced by different countries and organizations to assess the performance of vehicles in various ways, as for example fuel consumption and polluting emissions.
Fuel consumption and emission tests are performed on chassis dynamometers. Tailpipe emissions are collected and measured to indicate the performance of the vehicle.
Another use for driving cycles is in vehicle simulations. More specifically, they are used in propulsion system simulations to predict performance of internal combustion engines, transmissions, electric drive systems, batteries, fuel cell systems, and similar components.
Some driving cycles are derived theoretically, as it is preferred in the European Union, whereas others are direct measurements of a driving pattern deemed representative.

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10 июл 2024

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@RANDOMFIX 5 лет назад

▶️Complete smog playlist ru-vid.com/group/PLDEbtVOPRC-h4WB90arPwdn_r7wr3kGki ▶️Catalyst monitor not ready? ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-hi7QdlgKHzM.html ▶️Catalyst not ready? Watch this video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ERQUUdWo3-o.html ▶️Evap monitor not ready? ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-99nfTcPy4fo.html ▶️EGR monitor not ready? ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-aujgghRf04I.html ▶️Oxygen sensor not ready? ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sAvxeAyYsRk.html ▶️Link to Scanner in video amzn.to/2BZYqWo ▶️▶️▶️Video about recommend Full Color Scanner ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-qpHeVGH_6uA.html ▶️Link to this full-color scanner amzn.to/2z0YTcF

@engal5849 Год назад

This worked 100% recommended. I did my 2005 v6 tacoma. I did not use the spray seafoam and just used the poured in version. I used a fluid siphon pump from harborfreight and pump it directly to the O2 sensor hole before the catalytic converter after removing the O2 air fuel ratio sensor. I installed back the sensor with anti-seize paste applied on the thread, then waited for about half an hour to soak the catalytic converter. After that, I started the truck and went to the freeway and smoke the crap out of the tail pipe. Came back and checked my live readings on my O2 sensor bank 2 on the idle and it read constant voltage and no more fluctuation and the pending code is gone. This is the best solution I saw so far that made sense and really worked.

@RANDOMFIX Год назад

Thanks for sharing your experience on your 2005 Tacoma and your success. I appreciate you taking the time to post this feedback

@ulisesquintero1219 8 месяцев назад

Hi this works?? Can you reply i have toyota tacoma v6 2008 whit this code say catalityc bad

@richardcraig541 7 месяцев назад

You can use an air compressor with a siphon hose adapter on it,place it in the seafoam bottle and get good spray into the cat.

@64arguz 4 месяца назад

Nice ! Did you use the whole can ?

@danielfiore5528 11 дней назад

I have a 2006 taco and I have 2 af sensors...did you have the 4.0 or the 2.7?

@sparklyfrito Месяц назад

I had a P0420 code for the past year. I stressed, depressed & did not address until I found this video (and replaced my upstream air fuel sensor for my 4cl camry 07) and I never thought id say this but im officially one of those people that SWEARS by sea foam now because I used the whole can, and after I reconnected the terminal and started the car, the check engine light was gone. My cat was running 800 degrees lower in idle & my new air fuel sensor was at 3.3v (as it should be because my fuel was running rich before) thank you for posting this 😭😭😭🙏🫶 just helped me save 1000$ on car maintenance because everyone and their mama said I would need a new cat, it's not a sensor problem, blah blah blah but my baby is running smoother than ever at 212k (yes a camry) & even has a lil kick when I accelerate now🥰 can't thank u enough!!!

@RANDOMFIX Месяц назад

I’m glad the video helped with your Camry and setting the monitors and getting you a pass. Enjoy that $1000 on something fun!!! Happy Memorial Day.

@sparklyfrito Месяц назад

@@RANDOMFIX thank you lol I never actually had 1000$ for the car which is why I so rigorously studied this video & others to perform everything so as to only have to invest in the sea foam, air fuel sensor (denso) & dielectric grease like I did 😭thank you though🥺

@anthonyslaughter1419 5 лет назад

I would like to say to anyone who reads this I used sea foam to clean my catalytic converters I removed my 02 sensors from both cats and poured a can each into each catalytic converters and let it sit for a hour then put the 02 sensors back and started my truck and boy did it smoke for about 40min then to it for a drive to blow everything out and I got to tell you my performance came back and run a lot better. So for all then non believers out there I say nothing beats a fail but a try and everyone results will be different but it will be based on your method of cleaning. It may not work for everyone but letting the sea foam soak in the catalytic converters made a huge difference. Find your method.

@zefrum3 4 года назад

make a youtube vid

@anthony08330 3 года назад

How much did u pour in?

@anthonyslaughter1419 3 года назад

A can for each cat

@khoirani507 3 года назад

@@anthonyslaughter1419 how long did it last for?

@anthonyslaughter1419 3 года назад

@@khoirani507 till I sold it, so a couple of months. I figure ones results will very based on how bad they are and how long you let them soak.

@user-hv6dn7ox8y Месяц назад

Thank you for this amazingly helpful video. I tried this out on a 2004 Lexus GX470 that was throwing a 0420 and 0430 whenever I was at higher altitudes. Cleaned all catalytic converters on the vehicle using this method, and sure enough, codes cleared and vehicle running like a champ.

@RANDOMFIX Месяц назад

Glad to help with your gx470 and thank you for the great feedback

@cadecunningham7073 6 месяцев назад

This worked for me! 2011 Jeep patriot. Thank you for this video, this was my last effort to fix the issue after spark plugs, ignition coils, and o2 sensors

@RANDOMFIX 6 месяцев назад

Glad to hear this worked on your 2012 keep patriot. Thank you for sharing your experience

@andynuck1772 Месяц назад

Still good?

@cadecunningham7073 Месяц назад

@@andynuck1772 yes this fixed my issue. I can’t guarantee it will work for you, but it was running better after about an hour of driving. Lots of smoke lol. I sold it about a month ago, it kept having issues at 150k miles. Thermostat, water leak, oil leak

@victorvarisco5360 4 года назад

This is, by far, the BEST, most logical and informative video on caring for a possible faulty CAT or if one gets the dreaded 0420 code. For some insane reason, (love ya Scotty but you're wrong), dropping lacquer thinner into a gas tank when IT THEN GETS COMBUSTED WILL SERVE NO PURPOSE AFTER BEING EXHAUSTED INSIDE THE CYLINDERS AS ITS CHEMICAL STRUCTURE CHANGES...and thus does not bring the chemical cleaning properties of lacquer thinner. The method in this video introduces the wet chemical solvent direct before combustion and does the job. I have done this and it works! I would add...also put in a can of regular SeaFoam into fuel tank along with cleaning the MAF sensor. This 3 item cleaning combo eliminated my 0420 code on TWO vehicles!!!

@RANDOMFIX 4 года назад

Hi Victor, thank you awesome feedback, you are correct that bypassing the combustion chamber really increase the effectiveness of the chemicals working to clean the catalyst. Scotty Kilmer to me has been posting any rant he can. One day he says this and the next minute he is saying something else that contradicts his previous viseo. I often feel he is making video to get viewers to watch a guy sitting him his room ranting. His older videos we're a little more hands.i wish him the best of luck and there is even a simpler method that i just need to record. My promise is I post that video before the end of the year to help people just like yourself. Thank you again. _Randomfix

@victorvarisco5360 4 года назад

@@RANDOMFIX I agree with everything you just said. TY

@victorvarisco5360 4 года назад

@@RANDOMFIX In addition, TODAY... I was servicing another vehicle, 2013 Ford Fiesta with a 0420 code. All numbers from scan tool were pointing directly to the CAT failing, not O2 sensors, not MAF, etc. There were high short term fuel trims numbers but could not locate any vacuum leaks using propane. Again, this would point to failing CAT. Today, removed pre CAT O2 and did the SeaFoam spray injection method per your video and as I have done before. Used less than half can. Re-installed sensor and drove for 10 minutes. Boy, did I start a firestorm... White smoke for miles. Caltrans workers flagging me down. Finally, a neighbor came over to complain like I was a gross polluter. Took 20 minutes for smoke to burn off. Then, I erased all the ECU memory via scan tool and drove for 30 miles to reset all PIDs on the computer, driving while monitoring scan tool. WELL!!! All sensors on this car, (42), came back 'green light' meaning, all codes came back positive including the CAT codes and temps. This method works!!! Anyone pouring lacquer thinner into a gas tank has a screw loose in their head. Does not work. Soaking a cold catylytic converter using SeaFoam Spray Top Engine Cleaner/Lubricant then driving for 20 minutes is the way to get your CAT back online providing it has not completely failed for an extended period of time. This video is a great "how to". Save $1000. Use this method.

@XeoN424 4 года назад

@@victorvarisco5360 I got a avensis 2003 with p0430. Can i put some seafoam in the tank or do I have to realease the 02 sensor upstream both and go ahead like the video? Thanks for answers.

@RANDOMFIX 4 года назад

Release the the upstream oxygen sensor and use the seafoam. This is most direct method. The gas tanks is not as effective.

@DavidStrchld 10 месяцев назад

I've done this, but used carb cleaner, not sea foam. It did seem to help. One suggestion would be to get an inspection camera (they are not too expensive for a cheaper one that connects to one's phone), to actually see inside that hole. I could see the areas I sprayed and my first attempt mostly hit the side and most of the catalyst was not sprayed even thought I thought I was spraying all around.

@RANDOMFIX 5 месяцев назад

I appreciate your feedback Sorry for the late reply, did you get this handled?

@richardcraig541 7 месяцев назад

Love this info,I’ve never seen seafoam spray bottle before tho,if you don’t have a spray bottle ,this I believe would work well if you have an air compressor and spray a lot better I believe. Get a spray wand with a siphon hose attachment and drop the hose in the seafoam can ,you’ll get a lot better spray coverage

@bigshoots8696 Месяц назад

Thinking of doing this.

@jedprzful 2 года назад

It worked for my car. THANK YOU SIR! 🙂

@RANDOMFIX 2 года назад

Jed, I'm glad the video was helpful. Thanks for taking the time to post. I really appreciate it.

@JR-kk6ce 8 месяцев назад

I do it a little different. I jack up the rear end to put the car at a slight downhill angle. I take the 02 sensor out like you did. However, I squirt in about a cup full of Dawn detergent mixed in with water. I put back the 02 sensor and leave watwr and Dawn inside overnight. The next day I start the car and run it for 20 minutes, accelerating it from time to time. The Dawn abs water softens up what is clogging the cat and the exhaust pressure cleans out the cat. So far I have never had to replace the cat and my car has over 1/2 Million miles on it.

@RANDOMFIX 8 месяцев назад

Thank you for the feedback and this great information! what you are driving and have you done what you shared in your comment?

@JR-kk6ce 8 месяцев назад

@@RANDOMFIX it is a 2010 Nissan Sentrs SR. Yes, I did it to the Nissan after trying other things. I would buy a new CAT, but with over 250,000 Miles on the Nissan, I'm expecting a major engine or transmission repair that just won't be worth it. In the meantime, the old girl runs great, doesn't burn oil, and everything works.

@MsTheShit101 6 месяцев назад

Great idea

@savage6394 5 месяцев назад

⁠⁠⁠@@JR-kk6ce if it doesn’t burn oil and everything works great, why would you be expecting a major repair on the transmission or engine?

@keithdelgado9336 Месяц назад

Trans. Its a nissan

@Troc832 3 года назад

I did this to a honda fit. The straw was more of a nuisance than an aide. Honda fit cat sits straight up behind the motor so I just remove the 02 senor as he showed. Then I at first tried the straw, then just sprayed it directly through the sensor hole w/o that straw. Worked great.

@ceavalencia4767 3 года назад

any codes clear or improvement?

@RANDOMFIX 3 года назад

Yes, this will help clean the catalyst. I think this is a better method than putting anything in your gas tank

@randolphjones4814 10 месяцев назад

Thank you for your helpful info I have a Honda civic same problem and I will try your advice and see if it helps me thank you

@jaiace6262 3 месяца назад

@@randolphjones4814 Have you tired 😂 dealing with same prob thinking about this method but I don’t have a computer to clear codes …

@NG-tz8wo Год назад

Gonna give this a shot on my 2012 focus. It’s worth a shot

@RANDOMFIX 10 месяцев назад

Thank you for the feedback!

@wellnesspathforme6236 3 года назад

Your upstream oxygen sensor female connector looks newer. These connectors are relatively inexpensive, and not that hard to fix, so if you have an older vehicle, it is excellent preventive maintenance to go ahead and replace those female connectors. Just make sure that the wires go in the new connector EXACTLY the same as the old connector. The old connectors can often be removed simply by crushing them until they fall apart -- just don't damage the wire when doing this. Do it over a towel and all the scraps are easy to clean up. I had a coolant sensor go out and screw up my idle to the point the engine would shut down when I took my foot off the gas to press the brake to stop when the engine was cold. It never would have happened if I (or a previous owner) had put in new connectors before 340,000 miles! :-)

@jackempson3044 Год назад

I saw a guy on youtubr here take a Cat apart and soak it in thinner and let it set over night. The thinner was still clean in the morning. It did nothiing,

@RANDOMFIX Год назад

I appreciate your constructive comments, thank you for the feedback!

@JSanNic85 9 месяцев назад

Ironic how this cleaning method allows one to pass smog by releasing all the pollution it's captured into the atmosphere. BTW, this fixed my P0420 😅 Thank you! Half a can saved me from buying a Cat installed for $1,550!

@jerrybraggs2489 7 месяцев назад

😂

@jerrybraggs2489 7 месяцев назад

😂 That kinda defeated the purpose of the Catalytic Converter lol, hell I'm doing mine at night! Wait until the EPA gets wind of this! 😂

@RANDOMFIX 7 месяцев назад

It’s not epa, the epa is not strict but the California CARB is charge. It’s all about money, for example the federal warranty for emissions components is 8 years 80k miles but California has a 7 year 70k warranty instead. Think about the logic,

@ede4345 6 месяцев назад

I’m in CA and was tempted to do this but your right it defeats the purpose and don’t want to contribute more bad air to the planet.

@randallsmerna384 6 месяцев назад

Cats don't capture pollution or they would NOT be called a "Converter"! Converters convert from one thing to another.

@onlyme8870 4 месяца назад

I put seafoam in a pump sprayer and did this for a stubborn exhaust p0420. O2s were new and gas cap was new and cat was 1 yr old. This solved the issue on my land rover disco 2.

@RANDOMFIX 4 месяца назад

Did you spray into the o2 sensor hole or past the mass air flow sensor?

@onlyme8870 4 месяца назад

@RANDOMFIX for the Cat Cleaning I sprayed in the upstream sensor hole on the manifold exhaust. I bought a gallon can of seafoam. Was successful for me and less nasty smell. And also not getting p0420 so I'll take it as a temporary success. I don't mind trying ideas. I've been using seafoam for the air intake system for years. And fuel system. Only on older cars from before 2010. With so much electronics I been using a scanner and doing proper repairs. Just because the computers are so sensitive. And I don't know enough how to correct the failure of experiments.

@socalchaos714 5 лет назад

2002 Avalon catalyst ready test would not compete even after 500 miles and every different way of driving procedures i could find so I used 1 can per side of liquid sea foam and less then 5 minutes later the test completed so this really works

@charlsseal7273 3 года назад

How long did it last for?

@socalchaos714 3 года назад

@@charlsseal7273 no check engine light yet

@abrahamgeorge8021 Месяц назад

Thank you RFIX, It worked for my 2010 Rav 4.

@RANDOMFIX Месяц назад

Glad to help on your 2010 rav4

@noelcreary7210 Год назад

Thanks for the information 👍

@SteelToes 2 месяца назад

My inspections out, tried the catclean method to no avail. Am going to try this on my 07 Ford Ranger. Will report back in a few days.

@krizpena593 Месяц назад

Did it work

@randyroth383 Год назад

Yes the thinner work for me it been 2 years sent I by a 02 also no more black tip muffler

@RANDOMFIX Год назад

Awesome, thanks for sharing your success

@brianricoh3242 8 месяцев назад

I thought of this idea. and yes found this video, that its actually been tested. I was afraid of creating a big goop blob and clogging the cat. I'll be doing this in the morning.. I'll be using B12 Berrymens

@JRESHOW 7 месяцев назад

How’d it go? Any updates? Why B12 berry over sea foam?

@ProfessionalDad 3 месяца назад

he drove it in a lake@@JRESHOW

@franka-pn7wi 11 месяцев назад

i will try sea foam into catalyst c thanks show youtube smile

@RANDOMFIX 5 месяцев назад

Sorry for the late reply, I appreciate your feedback

@Nice_Vip 7 месяцев назад

Good job

@RANDOMFIX 5 месяцев назад

I appreciate your feedback

@SuperKhalidjaved Год назад

Great

@RANDOMFIX Год назад

Thank you for the great feedback

@xytku4499 5 лет назад

I cant say thanks enough

@barryrichardson2798 9 месяцев назад

If you run seafoam through the air intake, will it clean carbon from the valves and also clean the catalitic converter

@RANDOMFIX 9 месяцев назад

It won’t be as effective as doing it that way will not bypass the combustion chamber.

@projectbumblejeep4190 2 года назад

I've found, when replacing the O2 sensor, just cut the wire and use a regular 6 point socket or a box wrench when access permits.

@RANDOMFIX 2 года назад

Thank for sharing and I hear you. I just hate cutting something eventhough I know I will just tossing it trash.

@mcsew2k 2 года назад

But, you'll need the tool to torque the new one in.

@leroijr407 8 месяцев назад

Yes. Why not? Its trash. Amd way easier then those crappy sensor sockets that bend and break. 💯

@tiggzzgaming2249 3 месяца назад

O2 sensor wrench is the only way to go for me.

@pipian2yotoo1 Год назад

By doing this it would it damage my downstream o2sensor ??? Better removed as well ? Any Input I would appreciate it .. thanks

@RANDOMFIX Год назад

I haven’t had any complaints about this but if you have the access to downstream o2 sensor than remove if it on the lowest part of the exhaust. I don’t think you are putting in that much fluid to fill the cavity. Good luck and keep me posted about your success. If you catalyst is borderline you may get away with some of the other methods I show in the catalyst monitor playlist. ru-vid.com/group/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP I would try the 3 k trick first as it’s free and no work is really required.

@r.madera8946 2 месяца назад

Hi RandomFix... I have a 2018 F150 with 2.7 Ecoboost and got a P430 code. I did this method and used up only half of the can of seafoam then drove it for over 50 miles. The check engine light did not come off. I also tapped on the Cat with a rubber mallet and did not hear any rattling sound. Should i go back and use the entire can? Update: So, I did this again two more times. And each time I sprayed the seafoam I would also soak it for an hour before driving on the freeway for about 50 miles then I wait for about a week to do the next treatment. Then before I went to emissions test, I dropped a bottle of the CRC guarantee pass and the code didn't show back up. Its been about a month now and everything seems to be okay. Also my mpg increased from 18 to 21.4!

@marcgonzalez8451 3 года назад

Do you have to disconnect the o2 sensor prior to spraying ?

@RANDOMFIX 3 года назад

yes, you need access to hole.

@mulonru2965 2 года назад

This worked on our diesel bmw

@RANDOMFIX Год назад

Thank you for your feedback, much apprecated!

@64arguz 4 месяца назад

Looks like this extraordinary method works 😮, I would like to know the amount of SEAFOAM I should use for my daughter’s car , thanks in advance .

@RANDOMFIX 4 месяца назад

Keeps on the vehicle, I would buy two cans as some vehicles have a bank 1 and bank two. Most 4 cylinder will be okay with 1 can.

@64arguz 4 месяца назад

@@RANDOMFIX THANKS ! 👍💪

@robertpointer7904 2 месяца назад

Hi, great video my man. I have a p0420 code that comes and goes off by itself within a week or so without me resetting the light. My questions is, should I use the whole bottle? because I have a GMC Acadia with 2 converters and 2 exhaust pipes.

@RANDOMFIX 2 месяца назад

Robert, thanks for the great feedback. Yes, use the whole bottle.

@joemejorado9478 2 года назад

Amazing ... thank you bro... very help full

@RANDOMFIX 2 года назад

Joe, I'm glad to help buddy, thank you so much for the great feedback.

@leoyuku9184 3 месяца назад

@RANDOMFIX Thank you so much for the your video. What I'm trying to determine now is if that oxygen sensor in the engine bay (the upstream oxygen sensor you mentioned in the video) is also called an air-fuel ratio sensor? My car is 2011 Honda Odyssey, the sensor in the engine bay is called air fuel ratio sensor,I want to make sure if both are the same thing.Looking forward to your reply.

@RANDOMFIX 3 месяца назад

Yes, it’s same thing for the purposes of this video, it’s only before the catalyst. This is known as the upstream or o2 sensor.

@dreamimpossible542 2 года назад

So I have a p0420 code that I’ve been. dealing with , the voltage on the downstream is doing the same as the upstream. I was doing a drive cycle the all monitors set except the evap and the oxygen monitor at first but then as soon as the oxygen monitor set the p0420 code came back I recently changed up the upstream so do you think the downstream is just faulty ?

@RANDOMFIX 2 года назад

It could be or maybe a very poor functioning catalyst. I would try catacllean or the duralast catalyst treatment ( cheaper) and see how things go. Really let the vehicle warm up and figure out what is your goal. Is it just to pass this year or fix the problem?

@dreamimpossible542 2 года назад

@@RANDOMFIX took it to a repair shop it was a hole in a my flex pipe 🤣

@RANDOMFIX 2 года назад

Awesome and thank you for the update about the update.

@charlescurran1289 8 месяцев назад

Late to the show but sometimes O2 sensors (or any aftermarket parts) are bad right out of the box. Make sure your replacement parts are actually working.

@JulianFRosales 4 года назад

The 4 dislikes are probably smog shop owners! lol

@RANDOMFIX 4 года назад

Thanks for the feedback. Sad to say the smog owners don't even know some of this info as they only think they tell you to do is DRIVE. _Randomfix

@johnelaigwu8693 Год назад

Most smog shops don't fix cars so they wouldn't care. Would rather just test a car once and be done with it.

@RANDOMFIX Год назад

You are right and still the smog shops are not making it easier. I understand they are just enforcing the rules.

@johnelaigwu8693 Год назад

@@RANDOMFIX you expect them to break the rules?

@RANDOMFIX Год назад

Nope just explain it better so people don’t have to drive around endlessly and also if they vehicle will pass with one unset evap monitor they should not refuse to do the test.

@charlescurran1289 8 месяцев назад

How does this compare to the lacquer thinner in the gas tank treatment?

@RANDOMFIX 5 месяцев назад

I appreciate your feedback Sorry for the late reply, did you get this handled?

@user-cs4hs3jt3b Год назад

Can I do this for my 2014 Prius V in California with that code. The engine experienced missfire of #2. After that I fixed the engine then that code was on.

@RANDOMFIX Год назад

You can do this for a Prius but what code are you getting? A misfire code or catalyst code?

@enricokeeley5658 6 месяцев назад

but does it affect upstream and downstream Afterwards? running it it doesn't get on o2 sensors after?

@RANDOMFIX 6 месяцев назад

Upstream will have no effect. Downstream has a chance of being affected but the chance is small. You could remove the downstream as well if it at the 6 o’clock position or too close to catalyst

@Budl1te 5 лет назад

Using a can of liquid vs spray may not get the sea foam evenly as you can use the plastic tube from the spray type to point the spray to the whole converter rather than just the part by the sensor hole. just my thoughts.

@RANDOMFIX 5 лет назад

Good feedback and I think that's right.

@mbbjkb Год назад

Has anyone on here who did this and seemed to have success with it gotten any new check engine codes in the days, weeks, or months after cleaning the cat converters with seafoam?

@RANDOMFIX Год назад

As I mentioned in the video this only a temporary solution if your vehicle is burning motor oil for example. The burning oil will cover the catalyst really quickly but this method works. What are you driving, what codes do you? What caused the issue are the questions to ask when looking for a final and somewhat permanent solution. Good luck and let me what you figure out.

@nwellinghoff 3 года назад

A more sophisticated approach might be to remove the pre cat and post cat sensors. Insert a balloon post cat and inflate via a tube. Pour a gallon of lacquer thinner pre cat and let the cat soak in thinner overnight. The balloon will hold the thinner in the cat. Deflate balloon and drain.

@maranatha3333 2 года назад

Might the lacquer thinner be too strong for the Cat?

@TonY74U 2 года назад

Good idea but balloon would probably just melt

@RANDOMFIX Год назад

I appreciate your constructive comments, thank you for the feedback!

@BespokeCarpentry 8 месяцев назад

@@maranatha3333since it's palladium it wouldn't hurt a cat at all

@expediteovernight8674 7 месяцев назад

@@RANDOMFIX Cats and EGR systems should always be removed. Stop giving out bad advice. Don't fix it. Remove it.

@epixstingray9451 Год назад

2014 ford focus has p0420 code and i repalced the down stream o2 sensor do i replace upstream sensor and do this seafoam trick?

@RANDOMFIX Год назад

If you replace both of o2 sensors that you should have a easier time setting the catalyst monitor. Please check for exhaust leaks.

@randyroth383 Год назад

My 02 up stream was going out every year because of the fuel injector were sticking open when they should be closed my muffler tip was black 👍I used lacquer thinner 1 gallon to 8 gallon of gas it worked for me my truck 01tacoma 4 banger it clean the cat also Remember don't leave the fuel in the car tank burn it out as fast as u can in 2 hours time will not hert the car only fuel injector cars do this to not carb cars ✌️

@RANDOMFIX Год назад

So did the lacquer thinner help your fuel injectors or that issue still present?

@billdoty2499 9 месяцев назад

A small vice grip will work to.

@RANDOMFIX 9 месяцев назад

What do you use the vice grips for?

@chriscannova2393 5 лет назад

Seafoam is aggressive and necessary used correctly and you will be amazed with the results going to vacuum first second do the gas treatment third to the oil treatment for Fourth sprayed directly into the cat as this video it showed gas mileage performance piece of mine are waiting for you

@RANDOMFIX 5 лет назад

Chris, Great information. Thank you😁 Can I get your help? CHECK OUT MY OTHER CHANNEL and subscriber if you like it. THANK YOU ▶️ ru-vid.com/show-UC-wuhWwzZnFOWK-GMsP6Ejw MANY THANKS _Randomfix

@LT1HILLINGHOE Год назад

Seafoam is definitely not aggressive.

@IzizzlefuhRizzle Месяц назад

My 2012 Odyssey has 3 cats, the bank 2 is throwing codes. Would i need to use it on the first one upstream, second or both?

@RANDOMFIX Месяц назад

Just bank 2 upstream.. before you do that try clear the codes and if that is only only code then complete a drive cycle but alway warm up the van for 20 minutes so the catalyst gets nice and hot and then drive. After 1 drive cycle if all the monitors are complete except the catalyst then do this ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BuZYAy_xi0E.htmlsi=VBMu5-Zat5kLAjKp Good luck and keep me posted.

@DEValentine 4 месяца назад

Interesting. My 2015 Jeep Grand Cherokee 3.6L developed a misfire in cylinder one while I was far from home. Drove it several hundred miles back, where I diagnosed a clogged fuel injector. Replaced all fuel injectors, which resolved the misfire, but two days later the dreaded P0420 code appeared. A bottle of Cataclean failed to resolve the P0420. Was thinking of trying another bottle. Do you think spraying Seafoam directly into the catalytic converter would be a better way to go?

@RANDOMFIX 4 месяца назад

Honestly since you injector was clogged I can imagine how this would lead to a p420 code unless it was spraying excessive fuel and it heated up the catalytic converters. I will reset and see what happens. If it pops back up I would spray down the upstream o2 sensor hole. Is your smog test due anytime soon? If not this is going to affect your grand Cherokee! Anything other than a new catalyst is only a temporary solution. They do make direct fit catalyst converters for this 3.6 motor and they run under $200.

@DEValentine 4 месяца назад

@@RANDOMFIX, thanks for your response. I tried resetting the code (erased it), but it came back after two days of driving. No emissions testing this year. I have time to try different solutions. Are you saying this is only fixable with a new catalyst? Or do you think spraying the catalyst with Seafoam is worth trying?

@RANDOMFIX 4 месяца назад

@DEValentine it’s worth trying So you can pass and pay thousands of dollars for a part on an old vehicle. It’s only a temporary fix as it will get dirty again and since the vehicle is older it will get dirtier faster. I would not worry about a p420 code unless I had an emissions test in three months.

@grega.6984 Месяц назад

Do you do just the top o2 senseor inlet or also both o2 sensor inlet near the cataltic converter under the car too? Do you spray water down there too ti flush the system after letting it soak?

@RANDOMFIX Месяц назад

You remove the top or precast o2 sensor to spray. As far as cleaning you wound need a lot of seaform if you wanted to fill the cavity of the exhaust system to flush or wash out everything. I should the easiest way that would make the biggest difference. You could use a balloon on the downstream o2 sensor hole to plug the hole in case you wanted to fill the exhaust pipes with a cleaner or park at Angle 📐 but that is all over kill. If you don’t live in California or New York these cats are not that expensive ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-en6eKzyE_80.htmlsi=SbUAQZED3kTAbTnt if you don’t mind doing the labor.

@grega.6984 Месяц назад

Great. I have read some say to be sure the car is running if spraying water down the top 02 sensor near the engine to be sure no water gets in the pistons during flushing it and perhaps rev a bit on the rpm? Does that make sense to you and help avoid any issues with that?

@RANDOMFIX Месяц назад

@grega.6984 if the vehicle is running and the engine is on you no be able get anything into the up stream o2 se air hole as there will lots of pressure and heat. Some people spray into the intake with engine on past the mass air flow sensor to clean the carbon deposit. I haven’t don’t that and will be trying that as if I really want to clean it I would just take it apart and clean it. But I have had a Vw Jetta turbo that random misfire and I got some crc valve cleaner and Sprayed the whole bottle slowly as the vehicle ran and it took care my misfire and check engine light. But this depends on the vehicles, on that Vw I was really supposed to clean the intake with crushed walnut media and basically sand blast the intake once apart to get rid of all the carbon. I hope that helps, it all depends on the vehicle and what you are trying achieve? Just want to clean the catalyst? How does it take for your vehicle to detect the catalyst is not operating effectively?

@grega.6984 Месяц назад

I am going to VA tomorrow with tools (in NC now)...daughter car broke down there. It would not start. Got diagnosed with plugged catalytic converter. Otherwise fine. The car will not start without taking off one of the O2 sensors to relieve back pressure now. My goal is to clean it enough without taking off the catalytic converter and drive it back home 3 hours to really fix it myself at home (maybe take it off and soak it in cleaner etc). It is a 2001 lexus rx300 with 2 catalytic covertors. What do you think on ideas to get it running enough to drive home 3 hours as initial goal? I have lacquer thinner, cataclean, borescope camera, sparkplug non foulers, pressure washer etc now fyi. I was hoping taking off the top 02 sensor would start and run the car and then I was going to clean spray lacquer thinner in the upstream hole on both and cataclean direct and run rpm for 15 to 30 min. Then dump gallon of lacquer thinner and cataclean in fuel tank too so it clean while driving home with the top 02 sensor removed? Thoughts and tips considering my issue here? :) Greg p.s. of course want to avoid damaging the pistons spraying down 02 sensor with thinner, cataclean, or seafom (no water based only petroleum) with engine off is safest?

@larryaltman3694 6 месяцев назад

I’m confused… if you go to the Sea Foam website under their Q&A it says that it will not clean a catalytic converter, only that it will not harm it. Perhaps they’re covering themselves from liability (?). I have the catalytic removed from my 98 Volvo. They’re is nothing wrong with it, but I need to weld the down pipes leading into it. Since it’s 25 y/o I figured I’d clean it. What about vinegar? That’s what I use on the catalytic on my wood stove.

@RANDOMFIX 6 месяцев назад

I haven't tried vinegar personally but seaform would work. If I had it off the car I would try dawm dish soap. The whole I used seafoam was it because it was on the vehicle.

@worldpeace5853 Год назад

I got the P0420 error on my used 2016 CRV in January end. I bought the vehicle last Dec 2022 from auto dealer in Wisconsin and drove all the way back to Minneapolis. The vehicle had clean Carfax which showed regular service changes done as per Honda recommended that I verified as well before buying. The vehicle has 124,000 miles on it. When I got the CEL I took to the local Honda dealer and he charged for check engine light and erased the code via ECM/PCM. The error came back again after 4 weeks and just when I thought of going back to the dealer the code/check engine light itself disappeared for a week but came back again a couple of days back. I took it to the dealer again today and he says technician checked o2 sensor and exhaust leak and they are not a problem. He has given me an estimate now for catalytic converter change and has quoted close to $1700! I do not have the budget now and would like to try this method or May be try any other liquid catalytic cleaner via gas intake. A local mechanic suggested to try erasing the code 3 times before taking any decision spending so much money. I have now erased the code 2 times. What are your thoughts please or what do you suggest on any best liquid cleaner I can try now??? I am planning to do what you have here in the video but would like to confirm before trying the same.

@RANDOMFIX Год назад

@world peace ☮️ Sorry to hear about catalyst issues, so there are no permanent fixes for this other a new catalyst. With all of that said I made a whole playlist for just this issue, I think it may be a easier to find you own solution ru-vid.com/group/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP and depending on what state you live there are direct connect catalyst for under $150 that I show on the playlist. If you purchase a new catalyst you have a regular muffler shop install it for less than 250. Before you install a new catalyst you need to as yourself what caused this issue? Good luck and keep me in the loop.

@worldpeace5853 Год назад

@@RANDOMFIX will watch the video one by one when I get some time. Thank you for the reply.

@louisemosrie6405 9 месяцев назад

@worldpeace5853 what did you end up doing? I have the same problem with my CRV. I usually just put a bottle of Cataclean in the gas tank and it goes away for several months. Certainly not a permanent solution.

@worldpeace5853 9 месяцев назад

@@louisemosrie6405 I tried the Cataclean but the light went off temporarily but came back again. I got it diagnosed and then changed the catalytic converter but after a month I again got the check emission but this time it is P0139 oxygen sensor thing and NOT P0420. I will need to change the downstream sensor. It is a real pain for sure.

@RANDOMFIX 9 месяцев назад

Yes the only permanent solution is a new catalyst but please understand you do don’t need to pay 1700 for a new catalyst because they are direct catalyst for under $200. Check my catalytic converters video playslist. Here the drive cycle for the honda. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-oZELvZ4danA.htmlsi=ov_zN-OsPndr-2s7

@fortniteaccounts7443 5 лет назад

AWESOME VIDEO, just save me from smog

@lacellelamb9560 4 года назад

@renostubbs8504 Год назад

Thanks for sharing this,I used the product Cataclean,however the warning light never went off,in your opinion, is this method more efficient when unclogging the converter???

@RANDOMFIX Год назад

Can you provide a little more detail on what caused the issue and current condition mechanically of the the vehicle? Make mode and miles as well.

@renostubbs8504 Год назад

@@RANDOMFIX I have a 2011 Nissan Sentra,I had it for about 3 years now. It's a right hand drive,it has high milage, however. One day about a few weeks back,the warning light came on,so I bought a bottle of Cataclean, I followed all the direction, however the warning light is still on. I will be taking it to a garage very soon.

@RANDOMFIX Год назад

What code was set for the warning light?

@renostubbs8504 Год назад

@@RANDOMFIX I truly appreciate your feedback,the code that came up on the reader is P0420

@TheJoker6789 2 месяца назад

Disconnect the battery. The light will go out. If you fixed it, the light will stay out. Otherwise, it will eventually come back on.

@user-mu6bg3ye1t 2 месяца назад

I would like to try this on my Mercury Mariner. Will it work if the Cat is under the vehicle?

@RANDOMFIX 2 месяца назад

It would be the same process but way look into some way of angling the vehicle up so the fluid does not pour out as you might be using a lot of seafoam. Others have mentioned using a balloon 🎈 on the rear o2 sensor hole.

@roxannehill5252 11 месяцев назад

I want to try this on mu 2015 KIA Soul I hope this will work..

@jarvisedwards2457 7 месяцев назад

Hi, did this work for you?

@RANDOMFIX 5 месяцев назад

Sorry for the late reply, I appreciate your feedback

@edwardlaricehowkins166 Месяц назад

Can I do it on my Hyundai accent 2012? P0420 and PO130 code

@jarvisedwards2457 7 месяцев назад

Can this method be used for 2013 kia soul? I’ve seen warnings of not putting seafoam directly into the oxygen sensor port. Suggestions please?

@RANDOMFIX 7 месяцев назад

Nothing is different on your Kia, you are just bypassing the combustion chamber and the engine completely so the only parts after the exhaust is the catalyst, the muffler, resonator, and the rear oxygen sensor. If you have the money I would recommend buying a new catalyst but for most people including myself a penny saved is better than a penny earned. Keep me posted and happy holidays

@jarvisedwards2457 7 месяцев назад

Thanks so much! Happy Holidays!!

@Clamlifenc 7 месяцев назад

I wish my O2 sensor is easy as this video, I have a Toyota Prius, the Amazon o2 sensor removal doesn’t fit and I’ve seen some people have to cut the heat shield to able to replace them. It’s a nightmare.

@RANDOMFIX 7 месяцев назад

Why not just remove it and clean it? Or you can buy a direct fit for 118 catalytic converter ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Wr1vFqCnpDc.htmlsi=6aLLk2DUJRGRgD2F and there you will find other ideas as well.

@mycadi94 3 года назад

Just changed both O2 sensors on my 2004 GS 300 and the P0430 P0154, P0153 codes came on , I hope this trick works

@CharlesLease-ei1ee Год назад

You’re going to have to fix all those codes first before you attempt something like this because you got other issues. This is not a fix for all those codes.

@RANDOMFIX Год назад

I appreciate your constructive comments, thank you for the feedback!

@user-vv2fi8uo5v 7 месяцев назад

Got same results changing my 4 O2 sensors, latest info suggest Bosch Sensors ARE NOT COMPATABLE!

@sanrios0001 2 месяца назад

I get code p0430 code this should work ti fixed on my transit van? 2018

@RANDOMFIX 2 месяца назад

I heard this several times, what makes the Bosch o2 sensors different?

@philboytano 3 года назад

i sprayed this directly on my cat combs but didn't clean it enough. Can I spray carb cleaner instead?

@RANDOMFIX 3 года назад

You could try it but I'm sure what kind of results you will get. Remember the only real solution is a new catalyst.

@RehzERV Год назад

So I came across a couple videos and I did just that P0420 came on with a check engine light then I changed my O2 sensor and as I was cleaning the straw went through and never got it out it was impossible so I put it back together and cleared my code. I haven't got any one light after that so it seemed to work but know I know that straw is in there should I worry?

@RANDOMFIX Год назад

As long as the straw is past the engine and in the exhaust system it will burn or smoke. You might experience some foul smells and a little smoke but I don't you will experience any long-term damage. Let me know what happens.

@brianchaffin4098 Год назад

The temperature in the car is 1,000 degrees or greater, straw gone in seconds.

@JRESHOW 7 месяцев назад

Would you consider this a temporary fix or one that really takes care of it for some time? I don’t have any lights on, nor do I live in a state where there are inspections, but I can smell the cat going bad, and also can tell the lack of power going up hills. Just wondering. Great vid!

@RANDOMFIX 7 месяцев назад

It’s only a temporary fix as the only fix is a new catalyst but in some places like California the cats are 1 thousand plus to about 3k. I live in text Texas in a county that doesn’t smog and if I had your issue I could confirm if the catalyst is really bad. Maybe it’s clogged badly? Then I would hallow it out! This all depends on what your driving, your vehicle might a little louder but it will gain the power if the catalyst is really the problem if clogged. Keep me posted on what you do.

@SgtMiller Месяц назад

Will this work on a 2016 Chevy Cruze Eco Sedan?

@RANDOMFIX Месяц назад

Sure it will work on your Cruze. Just make sure that all the other monitors are set that are need to pass and that there are no pending codes before you try this first as it requires no actual mechanical labor ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BuZYAy_xi0E.htmlsi=MrrqqUKDQSYbQz1j Keep me posted and good luck! 🍀

@cherylmarshall840 3 месяца назад

Will this work if I have two catalytic converter and will it pass inspection I am not a mancanic but I do know how to do simple stuff

@RANDOMFIX 3 месяца назад

Yes, this will work if you have 1 cat 2 or 4. For best results treat all of them but pay extra attention to cat that throwing the code. Keep me posted.

@hectorpenamedina4817 3 месяца назад

Hector from Puerto Rico. Good video and explanation. I have a camry SE 3.3 with the code P0430. I due a tune up, the car run perfect but the erase the code and about 24 hours come on. In one time turn off itself about 10 days and come on. The question is, is really bad the catalic? I is good because the car run fine and no have any issue. What are your opinion. Thanks for your information 🙏🙏

@RANDOMFIX 3 месяца назад

Hi Hector, Greetings from Texas to Puerto Rico 🇵🇷. Unless you have an emissions test I would not worry about it. You catalyst can old and the p420 code can turn even if there is a loss of 4 percent in efficiency. Since your is not getting triggered right away you may get lucky by doing this ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BuZYAy_xi0E.htmlsi=W24o20r-UXeBHo8S or this if your vehicle is burning a little oil ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-HkF4oCED0UU.htmlsi=MOT758RYYBTOYCmb Here is complete playlist for incomplete catalyst monitors and some products I’ve tested. I would do what I recommend above as they don’t require you to buy anything. Keep me posted ru-vid.com/group/PLDEbtVOPRC-h1BAzaWQ-6NSnmG0gwvgwP&si=l06PiZBOaTRkghKK

@hectorpenamedina4817 3 месяца назад

@@RANDOMFIX Thanks for your information. My car burn 1/2 quart of oil every 4,000 to 5,000 milles I changes oil every 5,000 milles and use Mobil one for car of high miles. Thanks again. I goint to El Paso in Sunday, my son live there. Good luck.

@RANDOMFIX 3 месяца назад

@hectorpenamedina4817 nice, el paseo is 12 hours from me. Texas is big, you may want to try what I did on that honda. You need burn off all the oil off the catalyst. Also check your pcv valve to make sure it’s not the issue that is causing the oil consumption. If it’s anything else it’s won’t be a fix.

@hectorpenamedina4817 3 месяца назад

@@RANDOMFIX Ok. I try first. Thank again.

@ogstyle714 Месяц назад

Would this lower my gas consumption ?

@anthony08330 3 года назад

I have a toyota camry with engine code p0420 how long will this work? Or is it just good for smog? Then it goes back i mean the engine light code.

@RANDOMFIX 3 года назад

The only permanent fix is get a new catalyst. If you get your catalyst ready, drive the smog station asap and try not to even turn off your vehicle.

@edwardthayer9386 4 года назад

I have a 2012 Hyundai sonata 2.4 and I can't pass inspection because my o2s will not complete. It's the only monitor not ready! Even evap monitor is ready. Any thoughts and help will be greatly appreciated. Thank you so much for your time.

@RANDOMFIX 3 года назад

Sorry for the late reply, any updates?

@raphoton7582 Год назад

Will this work with seafoam in the gas tank ?

@RANDOMFIX Год назад

You can out seaform in your gas tank but it won’t be as effective.

@WestCoastFront 4 года назад

I just replaced both O2 sensors. Wish I would of seen this first. Will this harm my brand new O2 sensor down stream?

@declanosbourne62 4 года назад

I would recommend take them out before u do it

@WestCoastFront 4 года назад

Too late already did it. Now dealing with a bigger problem, transmission went out a day after Thanksgiving. But a lemon law lawyer just picked up my çase. 🍺

@CoolBoyz324 Год назад

@@WestCoastFront Ik this is late but did doing this make your transmission go out????

@WestCoastFront Год назад

@@CoolBoyz324 No, jeep was a lemon. Trans went out about 3 times and was under warranty. Dealer gave us our money back.

@RANDOMFIX Год назад

Sorry for the late reply! did you find a solution?

@acebrigade9586 Год назад

Replace oxygen sensor with dealer oxygen sensor , not aftermarket. Aftermarket often cause poor running. This goes for thermostats & other sensors.

@RANDOMFIX Год назад

Great feedback. And even pcv valve should be included on this list. I had to find this out the hard way on a 2013 nissan Altima that causes p0102 or 101 dtc. Lots of mechanics had tried replacing the maf sensor but in the engine it was pcv valve. Thanks you sharing.

@CharlesLease-ei1ee Год назад

If you don’t wanna pay dealer prices use Denzel is pretty close to OEM never had an issue

@CharlesLease-ei1ee Год назад

Are use the crows foot style O2 sensor remover. The other ones are junk. I know I do this every single day all they do is spread use the crows foot 02 sensor remover. He will get it out if it seized you replacing it break the porcelain off, heated up and put a shallow six point socket of it and it’ll come right out. There’s seals in the connector joker. and on the tools use a happy inch drive because you’re going to need some leverage at 3/8 drive will not do it so you’ll have to get the reducer and use half-inch extensions three eights for flex all over the place you will not get it. I’ve pulled too many out I know get the adapter half inch to three eights this clown. He doesn’t know what tools he needs.

@charlescurran1289 8 месяцев назад

I’ve had new NAPA O2 sensors be bad out of the box.

@ShaneClary-ov1xt 2 месяца назад

Had the cat fail on our 2001 Nissan after my beloved forgot to put oil in her car. I am wondering of its too far gone since it is now clogged to the level that it is effecting the cars performance. Any thoughts?

@edocsil1635 2 месяца назад

If oil wasn't put in the car, I'm afraid the cat is the least of your worries. Your engine is most likely fucked up. At least you can run a car without a cat if you don't live in CA as far as I know

@ShaneClary-ov1xt 2 месяца назад

Thankfully we caught it in time. Wishing I had tried this method since when I pulled the cat it was blocked but not broken up. I'm sure this or the the soaking method would have done the trick. 2 bolts broke off and the project is gaining I'm scope. I'm ordering a new cat and going to drill out the bolts.

@thesimkins693 Месяц назад

Will this work on my 2014 Hyundai Accent Gls

@RANDOMFIX Месяц назад

yes, just make sure the catalyst is last unset monitor. Keep me posted

@thomasluna8790 10 дней назад

Will this work on my 2009 Honda pilot my check engine light keeps coming on for P0430

@RANDOMFIX 10 дней назад

Yes this work helpful but lots of people have a hand luck with your civic on on this method ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BuZYAy_xi0E.htmlsi=Iyphm41KqlSn8cui I would try the above method first as long as your vehicle doesn’t detect the p430 right away. Keep me posted on what better for you.

@TheJoker6789 2 месяца назад

Switching to premium gas helps.

@RANDOMFIX 2 месяца назад

Non ethanol gas is better than premium puregas.org

@bugeye02707 3 года назад

This only works on a catalytic converter that the honeycomb filters havent melted, if you get a p0420, p0421 or others for catalytic converter codes as soon as you get the code park vehicle to reduce the risk of melting the honeycomb filters inside the catalytic converter by running rich then do what RANDOMFIX did in his video and you can save yourself lots of money for maybe a year or longer, also after doing his method fix any other check engine lights you may have say misfires ect as misfires cause rich conditions that can clog up a catalytic converter, so do a full tune up after to avoid ruining your cats!

@RANDOMFIX 3 года назад

great info, Thank you for sharing. So you recommending doing a tune as soon as you trigger a p420?

@bugeye02707 3 года назад

@@RANDOMFIX Yes beacuse the reason your catalytic converter fails is because of a rich/lean condition, so check spark splugs, spark plug wires, or coilpacks, or on older cars distributor cap and rotor, then replace whats old to avoid more failure to catalytic converter, in my case my car ran lean and plugged up my catalytic converter so the sea foam spray trick didnt work had to replace my catalytic converter.

@louisemosrie6405 9 месяцев назад

Could it be that the “Econ” button being on constantly causes these issues with CRVs? Curious.

@maryqualls7970 Месяц назад

Will this work on Toyota Prius 2008?

@RANDOMFIX Месяц назад

Sure the ideas is the same. Your 2008 Prius is super easy for the catalyst to removed so you might want to uninstall and clean off the vehicle.

@anybody_killer93 9 месяцев назад

Hey bro I can't pass smoke p420 also my gas keeps on clicking wile I fill up I did replace the evap canister..I ordered the charcoal canister

@anybody_killer93 9 месяцев назад

But I can't pass smoke Chek yet

@RANDOMFIX 9 месяцев назад

Any other codes other than the p420?

@tiggzzgaming2249 3 месяца назад

Replace the evap vent valve that's your problem if you've already replaced the evap canister purge valve. 💯% your problem

@isrealperez9069 4 года назад

Can I use break clean

@RANDOMFIX 3 года назад

I never tried, I would go with the proven method.

@mel4stars 4 месяца назад

mine must be really plugged. I went through the process with a half a can on each side. I can't tell where it did much at all. I'm gonna let it cool and do it again. And then I might be barking up the wrong tree, but to me it seems like back pressure building. It dies after a couple of minutes. I even thought it could be a plugged fuel line, but it is not the same.

@RANDOMFIX 4 месяца назад

If you thinks it back pressure just remove the downstream o2 sensor from the whole and see what happens.

@bernarddrenzcampbell2757 6 месяцев назад

I got the check engine light Po420 code in my 2010 Ford Focus when I drive 35-50 minutes on the highway it will disappear and come back two days time on the dash but the code is still in the module? What to do

@RANDOMFIX 6 месяцев назад

If you vehicle has an inspection due than get it ready by performing a drive cycle but if there is no inspection due then keep on driving as it does not affect the performance. Just make sure you don’t need new spark plugs and that your fuel injectors are not clogged.

@bernarddrenzcampbell2757 6 месяцев назад

@@RANDOMFIX thank you the state I live in DONT do inspection but will check spark plugs

@atomicdmt8763 Год назад

spray with engine running?

@RANDOMFIX Год назад

Good question and the answer is no. You want the engine off

@howardmiller4241 7 месяцев назад

Ok I have replaced 02 sensors and still getting code grrrrr! So my truck is a 2017 GMC Sierra that GMC had to replace the motor because of the lifter issue . Check engine light came on after I got it back, I think this happened because of the failure on the right side of my engine . Code is for bank 2 cat which is the passenger side cat. It is a new motor so I’m going to try this and see if it works, fingers crossed. I will let you all know if this solves my issue .

@RANDOMFIX 7 месяцев назад

Best of luck!

@howardmiller4241 7 месяцев назад

@@RANDOMFIX how long do u think I should let it soak? I did it this evening and it’s been sitting for about an hour. Oh I also added a can to the fuel ! The spray can came with a can to put in the fuel tank .

@Russellrks 7 месяцев назад

I'm in California, my Niece has a 97 Lesabre and as of now it can only have one monitor not ready, not two.

@RANDOMFIX 7 месяцев назад

I was from California and these guys keep changing the rules.

@Peter-G. 8 месяцев назад

Is there a fire risk by doing this?

@RANDOMFIX 5 месяцев назад

I appreciate your feedback Sorry for the late reply, did you get this handled?

@roseharris456 Год назад

Bought a Cadillac converter from another state I live in New York state and the Cadillac converter won't pass New York State admission what can I do the past emission test

@daviddacosta2324 Год назад

Replace it with the correct New York approved catalytic converter

@RANDOMFIX Год назад

I’m afraid david is right even if the car was originally not equipped with New York emissions but is no in New York it will need a New York approved replacement. I know it doesn’t make any sense but the republic of California has the same sort of issues. Very expensive situation to deal with.

@youeweu 10 месяцев назад

Not going to tell you to search YT to Fix your Catalytic Convertor for $10

@fernesal Год назад

I've been thinking the same method but using soapy water. Cover the tail pipe and fill up

@RANDOMFIX Год назад

Great idea

@supercraig2009 Год назад

Just soapy water no other cat cleaner or lacquer thinner before soapy water? What type of soap? Will this harm the internals of them cat?

@MB-rv9dx 5 лет назад

Ca I use the liquid version instead of the spray for more concentrate?

@RANDOMFIX 5 лет назад

Mb im sure you can try to use the non spray version I think it's a little harder to get into the oxygen sensor hole.

@anthonyslaughter1419 5 лет назад

I used the liquid 2 cans 1 for each catalytic

@RANDOMFIX 5 лет назад

Anthony, did the 1 can per catalyst help?

@wellnesspathforme6236 3 года назад

@@anthonyslaughter1419 Did it fix any problems? If so, have any problems reappeared?

@anthonyslaughter1419 3 года назад

Yes liquid not spray

@Bryan-il1vu 7 месяцев назад

hello sir . how much injection can did you put in that upstream hole before reinstalled 02 back ? thanks for your video

@RANDOMFIX 7 месяцев назад

You can do the whole can but it might smoke more when you first start it. I would start with half

@Bryan-il1vu 7 месяцев назад

@RANDOMFIX would let me know what brand and where are you get it I went to auto zone today they don't have injection can Thanks again

@ShawnJames310 4 года назад

they never show the comparison of before and after and then driving the 40-60 miles after cleaning the and then erasing the code.... Id like to see them show and prove that spraying seafoam in the cat actually works.

@Troc832 3 года назад

well I can say I did this and it worked for me. I didn't drive 40-60 miles I just started and let it run until most of the seafoam burned off. I then drove it around my neighborhood for maybe at the most 10 minutes. During that time I would see the seafoam still burn off, like when stopped at a stop sign I would see a puff of white smoke and during take off. It then all cleared out. Also I did clear all my codes before I went for test drive.

@girohead Год назад

I tried this two years ago, thinking that spraying directly through A/F sensor was pretty sophisticated, all it did was make a ton of smoke and wipe out the neighbors, but cleaned nothing. I also never use dielectric grease or anti-seize. All not the best ideas.

@robertrose3068 Год назад

@@girohead Good luck removing the sensor later. They even send anti-seize with new sensors.

@girohead Год назад

@@robertrose3068 I use the anti-seize that comes with parts, but I don't overuse and get more for everything, like lug nuts, etc. In this case my upstream O2 sensor was for Corolla and it has a flange with two studs/nuts, not threaded into exhaust pipe - so I don't think I used antiseize on those studs.

@RANDOMFIX Год назад

Sorry for the late reply! did you find a solution?

@user-pf1mg2kr7x 5 месяцев назад

How many miles were on the vehicle?

@RANDOMFIX 5 месяцев назад

Over a 100k

@Allourmanfam Год назад

Do you have to disconnect the battery before disconnecting oxygen sensor clips?

@RANDOMFIX Год назад

Not needed. No need to disconnect the battery

@Allen-ss9vs 7 месяцев назад

I would unplug the negative side of battery first, , before removing 02 sensor

@pindiwal4717 4 года назад

So did it clean the catalytic converter? Do the 420 code go away?

@RANDOMFIX 4 года назад

Yes, it cleans the catalyst, it only temporary. As your catalyst ages it looses the ability to be effective. Randomfix

@moneymakinscottie8925 3 года назад

RANDOMFIX so doin this will fix it for how long u think a few months and still will need to get new cats

@RANDOMFIX 3 года назад

I would only do when I get to smog, the only really solution for bad catalyst is a new catalyst however if you catalyst is borderline this could help. If everything is designed to fail including the catalyst. Keep in the loop and good luck.

@JMAX79 9 месяцев назад

How about starter fluid?

@RANDOMFIX 9 месяцев назад

I never tried starter fluid but make sure the catalyst is completed cold. I do t think it would be very effective. Keep me posted after you try it.

@abuodentv2643 Год назад

Can I use choke spray to clean the catalyst converter?

@RANDOMFIX Год назад

You could try but it maybe not worth your while. When you say choke spray are your referring to throttle body cleaner?

@La_chusma 4 месяца назад

is that the upstream sensor?

@RANDOMFIX 4 месяца назад

Yes pre cat o2 sensor

@La_chusma 4 месяца назад

@@RANDOMFIX great. Thank you!

@pipedreams57 10 месяцев назад

Everyone I know just removes the darn thing, drives a rod or piece of rebar through it and puts it back on. No risk of fire like that from an overheated cat converter and the engine runs much cooler.

@RANDOMFIX 10 месяцев назад

Yes, that would be great if you could that and not trigger a check engine light or a p420 code.