Cleaning dirty Intake Valves with Liqui Moly Pro Line Throttle Valve Cleaner?

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This video shows my experience with cleaning dirty intake valves using Liqui Moly Pro Line Throttle Valve Cleaner. Cleaning intake valves on direct injection or GDI cars is must if you value efficiency. This is my 2nd product trying to clean dirty intake valves on this 2017 Honda Accord with GDI. Intake valve cleaning remains a necessity to reduce carbon buildup in these engines.
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Timestamps
0:00 - Intro
0:39 - Catalytic converter before
0:58 - Inspecting intake valves before
1:54 - Setting up for cleaning 2:31 - Cleaning procedure
3:18 - Inspection after cleaning
3:34 - 2nd cleaning attempt
4:19 - The results
5:10 - Final thoughts
#liquimoly #carbon #tuneup #additives #enginecleaning

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Опубликовано:

27 июн 2024

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Комментарии : 107

@abdul-kabiralegbe5660 5 месяцев назад

Another win for mechanical cleaning.

@DIYAutoworksNG 5 месяцев назад

😂 I Plan to test a few more before I go mechanical 😅

@reiannaidoo 5 месяцев назад

I love your honesty and watch all your videos bro. Great stuff.

@DIYAutoworksNG 5 месяцев назад

Thanks you for taking the time to comment!

@donniev8181 5 месяцев назад

@@DIYAutoworksNGhave you tried the CRC intake cleaner? It's supposed made specifically for gdi engines.

@DIYAutoworksNG 5 месяцев назад

Yep. I have a video on that too on the channel. Comparing the 2 products, CRC did a better job.

@donniev8181 5 месяцев назад

@@DIYAutoworksNGdid you do the one hour heat soak after spraying it? On every other video they let it set and soak into the carbon for a hour before driving it at highway speeds? I guess that is what allows the cleaner to soak into the carbon?

@DIYAutoworksNG 5 месяцев назад

@@donniev8181 Did the 1hr heat soak on the 2 occasions I've used it.

@galaxygs96 Месяц назад

All of these products appear to be a waste of money. Thank you for bringing this to my attention.

@TheWalkingPotato1 25 дней назад

Not all but the majority, for exemple liqui moly's engine flush do work great

@DIYAutoworksNG 21 день назад

I agree

@iyona14granturismogt6gtspo7 7 дней назад

He showed that 6 cans of LM Valve cleaner brought the cylinders back to new...along with 1900 miles of spirited driving.

@sizzlacalunji 3 месяца назад

Great video bredren. Been watching a few this week and finally subbed.

@DIYAutoworksNG 3 месяца назад

Welcome aboard! Much appreciated!

@arescano9698 5 месяцев назад

Thank for your video and your time! Your honesty!

@DIYAutoworksNG 5 месяцев назад

You're welcome!

@Brian_L_5168 5 месяцев назад

Great video and put together in a convincing & logical way. Nice job Sir 👍

@DIYAutoworksNG 5 месяцев назад

You're welcome. 🙏🏼

@oluwatobiadefami8944 4 месяца назад

love your content, great job!

@DIYAutoworksNG 4 месяца назад

Thanks!

@tronix19 5 месяцев назад

Good video bro, thank you for your good job!

@DIYAutoworksNG 5 месяцев назад

You're welcome

@maximilianlindner 24 дня назад

I used throttle body cleaner from mannol. I removed the intake plenum, made sure the intake valve on the cylinder was closed and filled the gummed up port with throttle body cleaner. After 1-2 minutes I started scrubbing with a nylon brush and soaked a couple of paper towels with this ugly mess. Now repeat 2-3x and you’ll have shiny new factory intake ports. Compressed air will help a bit. Costs are like $20 for a whole engine and plan around 20-30 minutes per cylinder.

@DIYAutoworksNG 21 день назад

Thanks for sharing your process, will most likely end up doing this, when I pull the injectors for ultrasonic cleaning

@benfischer6601 20 дней назад

Just a thought about your before/after… most valves rotate slightly every time the cam shaft engages as part of the design to allow for even wear. So it’s possible on the one valve that actually got worse, you were just seeing a different face of it. Thanks for the video!

@DIYAutoworksNG 17 дней назад

Very correct. Many thanks for sharing. I picked up that lesson after the video. We learn everyday. Thanks again.

@careyautorepairs 5 месяцев назад

Nice video brother.

@DIYAutoworksNG 5 месяцев назад

Thanks!

@KruszkaBonzo 18 дней назад

Very good video - nice comparison of the valves before and after. That leads me to think, that the only proper solution is mechanical cleaning of the valves.

@DIYAutoworksNG 17 дней назад

Seeming so when they're this gunked up. I'll be repeated CRC intake valve cleaner 2 weeks apart and will post the video too!

@mixedboi 5 месяцев назад

Hey man, love your videos as always. I just wanted to comment that you might be seeing the other sides of the valve stem, as they are designed to rotate in operation, just my opinion, maybe it's not in this case. Happy new year.

@DIYAutoworksNG 5 месяцев назад

Many thanks for this comment. Didn't consider the spinning! Happy New Year too. Thanks again for the support.

@mforlive1367 3 дня назад

thanks for the video so i see i brings nothing i want to do it on my bmw e90 lci n53 but now i will sont buy it.

@PafoChannel 5 месяцев назад

I've used it 4 times so far and I've noticed some difference, engine was quieter and the car was more responsive. Surprised it didn't clean anything, but I'm looking forward for you to test more intake spray products like this.

@DIYAutoworksNG 5 месяцев назад

In all honesty, car feels more responsive actually and it idles better. My fuel trims are now also close to 0!. Will test more😂

@PafoChannel 5 месяцев назад

@@DIYAutoworksNG I very much hope so you can do more tests

@donniev8181 5 месяцев назад

@@DIYAutoworksNGdo you think bringing it all the way up to operating temp would help? Seems getting the carbon as warm as possible may help loosen it.

@DIYAutoworksNG 5 месяцев назад

Every cleaner I know out there seems to like heat, so I just went with the flow 🤣

@donniev8181 5 месяцев назад

@@DIYAutoworksNGI've watched multiple people do this and the ones who have success are using crc but the main thing is the 1 hour heat soak. They spray it in then shut the car off and let it soak into the carbon for a full hour. Then they take it out and drive for 10 min at highway speeds.

@mustyali9529 5 месяцев назад

Great video, but I believe CRC's intake valve and turbo cleaner does a superior job particularly on GDI's.

@DIYAutoworksNG 5 месяцев назад

Yep. CRC intake cleaner did a better job. I had to rewatch my video on that to verify. Yet to test it through throttle body injection. My prior experiences were through the brake booster line, but someone said it does better through the throttle body.

@don.timeless4993 2 месяца назад

great video! this product is good. product that cleans those areas in slow way is better for the engine so it dont harm the engine or the catalyst converter. so the solution to make it clean with time is to keep using the product regularly every oil change. these new engine with all environment systems need this product. also it's very recommended to use catalyst converter cleaner (add to fuel version) after using this product to clean catalyst converter from deposits came from engine components

@DIYAutoworksNG 2 месяца назад

You points are spot on! More gentle cleaning will be easy on the CAT.

@Dan-vt1qt Месяц назад

I own a Mazdaspeed 3 and they have the same problem, theres a company "Corksport" that have a kit, so that you can sandblast.the valves, and BMW has a service for that too.... i think its the only way

@frankm7707 Месяц назад

Scotty said yes

@DIYAutoworksNG Месяц назад

As you could see, I'm only sharing what I found from my own experience

@nevrcm3261 Месяц назад

For heavily deposited valve like shown, petroleum distillate chemistry ain't gonna cut it. Thanks. Walnut blast (mechanical cleaning)

@moustaphacheva3757 2 месяца назад

Hello, how are you . I am a big fan of what you do. I have an im 508 device and I have two keys and I want to know how I can find out the frequency of the two keys from this device . Thank you 😊😊

@DIYAutoworksNG 2 месяца назад

Hey. Thanks for the compliment. Did your 508 come with the XP400Pro? If yes, that's what you'll use. It'll be best to see the manual for specific steps.

@moustaphacheva3757 2 месяца назад

@@DIYAutoworksNG ok . Thank you

@TheScares80 3 месяца назад

For the valve cleaner you did 5 rounds with the liquid moly in the tanks of petrol... one could draw the conclusion... that perhaps you need another few goes....AND try to clean them the way you tried with the other product (CRC - through the brake line booster?)

@DIYAutoworksNG 3 месяца назад

Interesting take. I still have one can left which I intend to use too. The instructions don't say to use it any other way, but I'll do some more digging about that use through the brake booster line. Thanks for suggesting!

@melainelee 2 месяца назад

Did U try the valve cleaner via a spray bottle on the intake ??

@DIYAutoworksNG 2 месяца назад

Nope. That could be interesting.

@Tracy-wr7mj 5 месяцев назад

Is this 1.5 litre turbo charge gdi or 2.0 litre. Turbo gdi.? I hear theres head gasket issues from this engine or the newer ones.

@g8gtatlman483 5 месяцев назад

no, its 2.4 NA

@DIYAutoworksNG 5 месяцев назад

2.4L. No turbo.

@Tracy-wr7mj 5 месяцев назад

Is this the car you used the valve cleaner in the fuel where you aftet a few cans and italian tune ups , cleaned it up...this car is very dirty and would you say really needs way more help?.hiw many miles does this one have and what kind of gas was used..also id it only city driving.

@DIYAutoworksNG 5 месяцев назад

Same car. Gas quality is not the best. Premium gas is not available. But then, it's GDI, so those are expected of the intake valves...

@Tracy-wr7mj 5 месяцев назад

@@DIYAutoworksNG wasnt it a lot cleaner though after the fuel treatments and how many miles has it been since then? Also do you regularly use a cleaner in your fill ups since the gas is crap? And is it mainly city driving?

@DIYAutoworksNG 5 месяцев назад

I just got a cleaner which can be dispensed in aliquots into each fill up. Plan is to add it with every fill up. Video will come here too. It's mixed driving, maybe 50/50.

@zzman5306 2 месяца назад

These cleaners would work best as a preventative after a good manual cleaning.

@DIYAutoworksNG 2 месяца назад

A good point, though we still need hard-line cleaners especially in the case of getting used cars.

@autoacoustics4938 5 месяцев назад

Can you do a video on CRC turbo/intake cleaner ?

@DIYAutoworksNG 5 месяцев назад

Hi. Thanks for watching. Already used the CRC too. Here's that video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Czb6_xwkmYY.html

@peterrudy9207 Месяц назад

There is a procedure using walnut shells? to blast the carbon away .

@DIYAutoworksNG Месяц назад

Yep. It's not readily available though, so I opted to experiment with some cleaners and report on effectiveness.

@ibrahimalkhoory5319 5 месяцев назад

Brother. I just entered your channel. And you are soo impressive and full of knowledge. Like. Share and subscribe directly

@DIYAutoworksNG 5 месяцев назад

Thank you!

@paulm8084 6 дней назад

Did you let the cleaner heat soak?

@DIYAutoworksNG 6 дней назад

The product directions doesn't say to heat soak. Also it's quite volatile and evaporates quickly

@wandameadows5736 4 месяца назад

Direct Injection was a stupid idea & there fix was to add more injector that sometimes spray over the values to keep them clean. Sure you get more power with direct but building engines for everyday cars with di is so dumb.

@DIYAutoworksNG 4 месяца назад

Believe me, I feel that frustration. That said, I won't totally call it dumb, I think car makers should do it the way Toyota does it; the dual injection way. Best of both worlds.

@Hakeeeeeeem 4 месяца назад

Have you tried seafoam?

@DIYAutoworksNG 4 месяца назад

Not yet

@Hakeeeeeeem 4 месяца назад

@@DIYAutoworksNG that will be interesting specially from you

@newtongsm Месяц назад

You have use another way to send liquid to the valve throttle body will not access your cylinder valve needed to find a map sensor and and insert the liquid

@DIYAutoworksNG Месяц назад

The method used in the video is what is recommended on the product.

@ginobragoli1448 Месяц назад

Not very successful 😬 walnut blasting will do the trick but its a lot more involved and expensive. 👍

@christophergreen6980 4 месяца назад

Honda the power of screams 😂

@DIYAutoworksNG 4 месяца назад

😅🤣

@keithbrown1915 2 месяца назад

Good videos. I'm American. What language are you speaking? I had to use the closed captioning. Just kidding. Excellent documentation of the results.

@DIYAutoworksNG 2 месяца назад

😂😆😆 Thanks!

@juraj1891 4 месяца назад

Hi, nice video like all videos, but this product is not specialy for cleaning the valves, but for cleaning the throttle valve and product intended for cleaning valves is Liqui Moly Pro Line Intake System Cleaner, but this product is only for Diesel.

@DIYAutoworksNG 4 месяца назад

But this says on the tin that it "reliably cleans intake valves"...

@juraj1891 4 месяца назад

@@DIYAutoworksNG Yes, i know but you can see on video, very small difference on the valves with this product.

@DIYAutoworksNG 4 месяца назад

Agree. Little to no difference.

@matthiasheide5226 Месяц назад

It is much better to use Cleaner for the Gasoline inside the Tank. That cleans much better.

@DIYAutoworksNG Месяц назад

Won't reach the back of the valves on a GDI engine.

@zerocurry 3 месяца назад

You probably have to drive a few hundred kilometres to see any effect. Just 1-3 spirited drives probably wouldn't do the job.

@DIYAutoworksNG 3 месяца назад

Well, you have a point. If I use it again, I'll do some extended driving.

@johannapoder2843 3 месяца назад

@@DIYAutoworksNG just dont waste your time, carbon needs to be cleaned out manualy at this point.

@tj-hero 5 месяцев назад

"click" Noice

@NoWay-ye7yq Месяц назад

It's tells one thing, stay away from GDI eangen. Cost to much for maintenance.

@DIYAutoworksNG Месяц назад

Lol. I feel you. Dual injection is the best of both worlds.

@onlyme6479 Месяц назад

They all are a waste if money

@theenglishtrucker1849 15 дней назад

Liqui Moly is good, but its not that good. It might be worth trying a can of that once mechanical cleaning has been done to prevent mechanical cleaning again.