Dodge Grand Caravan P2308 - Case Study Part III

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Now that we have started making head way with the Dodge Caravan and the code P2308 "Ignition Coil 3 Secondary Circuit - Insufficient Ionization" in the second video, it is time to figure out the rest of this puzzle and ship this baby.
PART I: • Dodge Grand Caravan P2...
PART II: • Dodge Grand Caravan P2...
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7 апр 2017

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Комментарии : 538

@darkdelta 2 года назад

Late to the party, but running down a problem by troubleshooting vs parts cannon salvos is great. Eric, your a gold standard for being a diagnostician. A casual observation here is for Mr. O, the hunt is the better part of the repair. These multi-part episodes are great! Thanks for letting us look over your shoulder.

@Aleshik209 Год назад

Hi Eric! Thank you for your video! I had same exact problem with 12 town and country. I watched your videos and replaced coils and got reprogrammed used PCM. Everything works now. So grateful for people like you who contribute to RU-vid, and help people to save money. Thank you again! And keep up the good work!

@robbrobb2161 6 месяцев назад

Excellent trouble shooting. Common sense combined with lots of experience. Certainly helps to see someone work through abstract issues

@rmr5740 7 лет назад

Thanks Eric, great job as usual. You're setting a mighty high standard for all the mechanics out there. Not just a technical standard, but an ethical standard too.

@frankreichl679 Год назад

a little knowledge and a lot of patients makes a good troubleshooter. Great job !!!!! From someone that loves to put prints and experience together for a proper answer.

@harryfischer6741 Год назад

Stunningly impressive, I was so excited today that my vehicle threw a code. Ck engine light on....let the games begin!!

@emtscythe3782 7 лет назад

I talked to my son about this, he's a Master Dodge/Chrysler Tech ( just passed his Master Test ) he said he has seen this a few times , the first time he saw it he contacted the StarTec people ( The Chrysler Engineer Tech Help Line ) and they couldn't even explain they reasoning behind it. He had to figure it out as you did. Great job on the Diag Eric. Again I wish I lived in Avoaca , I would def come work for you!!!!

@JoseSanchez-ud7iw 7 лет назад

thia has become a case of not about the cost of the repair but about the knowledge

@fredcroad331 4 месяца назад

I like it when you have to do the goose chase, because I can actually comprehend what you are doing. If that makes sense 😊

@u.s.a.198 Год назад

Thank you! I have a 2005 3.3 town and country 375k miles. Original engine. I'm working through something like this on cylinders 3 & 6. It's been a good project to figure out. I'm leaning to the PCM/ECM unit. Need to test for current. Great videos!

@sambitar8448 2 года назад

Eric you win again and and again; I hope you are fully compensated to your knowledge and effort and fancy testing equipment. Anna's supports is the greatest gift to you as a father. Thank you Anna. Your appreciation to your father will come to you in life.

@ADE2366 2 года назад

I feel sorry for the rest of RU-vid, I’m not giving them the time of day at the moment, I’m really enjoying binge watching Eric diagnose these faults on vehicles, superbly entertaining and intuitive, Thx Eric, I’m watching from across the pond keep up the great vlogs 👍🏼

@NYMegaMan 6 лет назад

Binge watching. One of the best series I have watched yet and I didn't even fast forward it once. You can't look back and say "I should have done this and that" because you have to explore all options. Excellent troubleshooting and hope for your viewers sake we get more like this.

@JhanJo Год назад

I'm 5 years late to this party but wanted to tell you it was fascinating watching. Super job troubleshooting and a great takeaway regarding the visual double firing event but not hearing a change in the engine. Yep, hindsight is always 20/20. Thank you for a great video!

@charlesrodgers7743 7 лет назад

You are one very determined individual to resolve that issue. My hat goes off to you

@5Dale65 7 лет назад

Mine too

@charlesfiore7835 6 лет назад

Eric would have had it fixed a while ago if there wasn't so many hands in the pot before he got it.

@warrenfromga9945 7 лет назад

Bulldog tenacity, that's what I like. You don't quit until it's right. Eric, I wish we had techs here, just almost as good as you. I can't afford the tools but sure enjoy learning. Thanks for your efforts in sharing with us all.

@TheShop10 7 лет назад

Most people would have just fired the old parts cannon at this one and never seen the double fire event. Excellent case study Eric. You really go in depth to help people understand what's not working but also the diagnostic process of why it's not working. Thanks for bringing us along.

@SouthMainAuto 7 лет назад

Thanks rptaylorjr

@50sKid 7 лет назад

So in the end, swaptronics to the rescue? Lol. I think we all would have gone off track investigating that weird double firing. This is a great lesson in taking a step back and re-evaluating your plan of attack.

@roloreoandy9867 7 лет назад

Awesome job Eric. Seriously, others could not figure it out and YOU did. Don't take this the wrong way, but I think you are a bit hard on yourself sometimes. I think you have a brilliant mind. I LOVE THIS CHANNEL!

@klwthe3rd 7 лет назад

This video was the heaviest of troubleshooting and it brought out all of Eric O. knowledge. These kinds of problems with vehicle do happen and its nice to see SMA tackle it head on and not shy away even if it took a 3 part series. Eric O. has always impressed me with his dedication so its no surprise that he fixed the problem. Another great win for SMA!!!!!

@SouthMainAuto 7 лет назад

Well thank you sir!

@klwthe3rd 7 лет назад

Im watching all your videos backwards from newest to oldests so it's taking me so time to get through them all. It's nice to see you still take time to comment on people who post on older videos too. This is why your channel gets so much praise and is the #1 channel on RU-vid. Always impressive!

@jackejr74 2 года назад

Great Job Eric!!! You are a credit to your profession!!! Sometimes it is a handicap to have an Engineering Degree... Your Degree is built on Real World Experience, which is NEEDED to unravel what an engineer may have been thinking when they designed these systems. Root Cause Analysis is sometimes derailed by tunnel vision and a person's resistance to admit they MAY being going down the wrong Logical Path to a solution. As a problem solver, you demonstrated that you are mature and experienced enough to Test your direction, accept that it may be more of a distraction (than the real root cause) and be professional in your willingness to back track and find where the logic may need to be "Tested"! I learned a lot from you and look forward to watching each and every video you produce!!! Keep up the GREAT Work!!! ...Now about my 2017 Dodge Grand Caravan 3.8 (only 24K mikes on the odometer) that sometimes (intermittently with no codes, once of twice a month) will crank forever!!!! but NO START.... I am looking through your videos to find one that gives me ideas to find the problem... I loved your video of the Caravan where you leaned on the back seat in the folded position and the electrical system, doors, locks, lights and etc. WENT NUTS..... That is what I am hoping to find... LOL

@leebarnes655 7 лет назад

Son of a hoo haw!! You got it nailed. Now if only Chrysler engineering can arrange to put the defect strategy on the correct misbehaving coil they might could go somewhere with that. Until the code programmers learn to count past ten with their socks on I'm thinking it's a stalled project. At the same time I'm wondering how the ECM knows there's a defect in any coil and using the strategy when we can't see it at all. So Ok, it's on the wrong coil - whatever. Lovely miss Hanna handing out words AND tools, most helpful. Another mesmerizing series, keep up the great work SMA.

@renaldonormani6646 Год назад

The “previously touched” parts was the problem big time. Secondary coil voltage leaking (Induced or directly) into the primary seems likely to me. So satisfying when you get to the problem;-) Late hours and headaches not helping. Nice!

@Rik.B 7 лет назад

That was an amazing series, was completely loving the whole process, couldn't wait for the conclusion!

@bigmac965 6 лет назад

Man, this series was an edge of your seater from the beginning! It's after 3am, but I had to stay up to find out how this one came out! Loved it when it ran out of gas. One more problem! Good work, man...

@arthurfricchione8119 7 лет назад

Three great videos. Electronics can drive you nuts. I know I worked on military aircraft long before computers went into cars and it could drive you insane. And we had engineering coverage. Unfortunately every engineer is is an expert in their own little portion of the system. So we would fix the problem and then tell the Wizards how their system worked. Good video Eric. No brake clean and no flying wrenches. Your a saint

@chungaleta1234 7 лет назад

One of the most interesting video series I've watched. Thanks Eric for bringing us along.

@allcureman3403 7 лет назад

Great job Eric! Always the best!

@johnaclark1 7 лет назад

Really enjoyed this series. Cylinder 3 code, bad #3 ECM driver, #4 double-fire, and a #6 misfire? Wow.

@vipervette03 7 лет назад

I'm just as tired as you are on this Chrysler. Thanks for staying with it and showing all the thought process.

@briantomazi9491 7 лет назад

Eric, you were right on it, I think you chased the double firing event just right and quit and chased the misfire at the right point. your awesome brother.

@SouthMainAuto 7 лет назад

Yep ya need to know when to quit and find a different path

@MichaelDoerner 7 лет назад

You're the best mechanic I know, Eric. Awesome!

@jimgetz2898 3 года назад

Thanks for not giving up. Good to see someone following through to the end. Best channel so far. Thanks a lot Eric.

@daleyurk4369 7 лет назад

Mr. O, way to go bro! You hung in there and did it the right way. Educational and interesting as always!

@spaceinvadertoo 5 лет назад

Keep up the good work Mr. O. That is why the other shops send you their problems that can't be diagnosed with a parts cannon. Thanks.

@baxrok2. 7 лет назад

That was so cool. As always, I learned a bunch. Injector disable FTW! Thanks so much for sharing this Sir!

@normangallant9879 6 лет назад

Wow what a find and repair.Well done Eric

@MrLarryC11 6 лет назад

The best one yet!! Wonderful diagnostic work. Thanx, Eric.

@gordonfreeman5434 7 лет назад

global disable is probably fca's way of telling you "for our dealers only" Great video, learning good diag. skills from you, you the man Eric O.

@martinkucic4278 3 года назад

Super mini series Eric. I had to watch all of them back to back just to see what would happen next.👍

@MTTech 7 лет назад

Yes! Been waiting for this!

@SouthMainAuto 7 лет назад

I figured you guys were waiting for this

@Tedybear315 7 лет назад

Excellent job of deductive reasoning. While you started down the 'wrong path' you corrected and decided to tackle a known issue to see what the end result is. Nothing wrong with that, that's called learning. If you see it once? You (and others) might see it again... And now you'll know.

@joelaplnski5394 7 лет назад

Over the top! Man I was glued on all 3 Vids. Even though most don't have high end scopes, it's educational to see the strategy used to repair, and the diagnostic strategies to narrow it down. There's you problem lady and there's you dinner!

@GCraigmile 7 лет назад

That was a hell of a ride!! Thank God I'm not the only one that comes across this kind of issues!! Good job Bro'

@map7463 7 лет назад

Excellent job Eric. You're a very good troubleshooter. I haven't seen any other guys on youtube with the skills that you have.

@garyscoville7741 7 лет назад

Hay Eric. Assume video brother! One of your best yet. Real good diagnostic approach. One of my favorite things to do as an electrician! Outstanding work Eric!!!!

@blackfoxdragon4992 7 лет назад

Great to see you fixed it. Nice work up on this issue.

@Bekim8310 7 лет назад

Great, just in time! Now I can take my union break to watch this video!! Thanks man!!!

@xanderlander8989 5 лет назад

I love watching you troubleshoot problems. I bet the coil was fine. I think the insulated tube between the plug and coil was the problem. You said the boot was torn and you saw a black mark on the tube wall, that's data enough for me.

@CubasAutomotive 5 лет назад

Wow! That's a heck of a run! O would've never thought the double fire on the coil to be some sort of strategic ECM process... never on one cylinder. At the end of this case, you certainly opened my eyes to some weird anomalies!

@DIYAutoHomeschool 7 лет назад

Another good one sir. We've all had the times we get so focused in on 1 thing trying to figure out how it's causing our issue that we don't stop to think ?Maybe it's not the issue". I enjoyed your video, and i hope to see more from you soon.

@FinalStopMobileAutoTech 7 лет назад

Some valuable lessons in this series! Thanks again eric!!

@PeteyG708 7 лет назад

Spectacular series! It just takes some thinking! Great job Eric!

@SouthMainAuto 7 лет назад

Thanks Peter!

@brucecolonna2142 7 лет назад

on part 2 of the case study you could see a high current ramp on #6 , I only saw it once but was pretty high compared to others . thanks for sharing and going the extra mile. was hooked on this series , good to see the conclusion.

@RODLAWCOM1 7 лет назад

I really enjoyed your comment about being a ninja - do the repair in such a manner that no one can tell you were there. Fix the problem and then put everything back in place to where it is supposed to be.

@tomswonderfulworld 7 лет назад

This is just Good TV!...........................Awesome Awesome problem solving Eric! One of your best series of vids in my book.

@jimzivny1554 7 лет назад

You need a day in the recliner with a few beers now!

@stanilastefan1687 7 лет назад

This was another epic case at SMA.

@pauldigiorgio6373 2 года назад

Great diagnostics the best mechanic and honest man I've seen on utube wish I lived closer for when I have a problem I can't fix love the videos Thank you

@chrish7935 7 лет назад

Here's just a guess about the "double fire" on the number 4 coil: Since the number 6 boot was torn and likely leaking secondary voltage to engine ground, that arc generates a significant field around it. #4 is net to (adjacent :)) to #4. I'm guessing that leaking #6 secondary voltage induced enough current in the number 4 primary circuit to adequately charge the number 4 secondary and produce a second spark event. That could also explain why the second event was a much higher than normal current flow.

@ghost37666 2 года назад

Good words on the Autel, I love that tool as well.

@MichaelJames-je6cr 7 лет назад

Damn good mechanic!! Love the channel!

@svengonzales2664 7 лет назад

I was absolutely sure that #4 coil was bad. Just goes to show you. You are the best even when half asleep.

@robc5955 5 лет назад

Wow how’d I miss this, fab learning thanks Mr O.

@parochial2356 5 лет назад

Good introspection. Refining your diagnostic strategy behavior. Constant process of improvement. Bravo.

@lane1962 7 лет назад

Very interesting Eric. With all the technology available to us, sometimes we forget to go back to basics. Well done, I think we all learned something from this one.

@SouthMainAuto 7 лет назад

That is right, sometimes we need to step back a bit

@christianerance 7 лет назад

all I can say is Fantastic. I am totally impressed.

@billspotten9872 7 лет назад

Eric O. ICED - "INTERNAL COMBUSTION ENGINE DETECTIVE " Another great case study. Thanks Eric

@buffuniballer 4 года назад

Or ICE T, Internal Combustion Engine TECHNICIAN. Anyone can change parts, but it takes a tech to find the root cause and address it.

@DA-zi6eq 7 лет назад

Ohhh yeah Part 3 eh hea. SMA weekend entertainment 😃

@squareyes1981 7 лет назад

Loved this series, Mr.O

@547Rick 7 лет назад

It is fixed and that is what counts. Nice series!

@jimeckenrode1271 7 лет назад

very interesting, you sir are a real mechanic they way you worked your way thru the problem

@leehodge2415 7 лет назад

awesome vid, and an AvE reference. thx for everything

@jackc7262 6 лет назад

wow...excellent diagnosing...anyone is a better mechanic after watching this! GOOD JOB!

@zoidberg444 7 лет назад

I think this makes for an interesting lesson in someone who doesn't have all the scopes and high end scan tools and is a 98%er. I probably would have swapped the coils to see if the problem moved and after that would probably have visually inspected the spark plugs. After that cylinder drop test is probably the easiest to do. I'm not so knowledgeable when it comes to being in the scope and the scanner all the time.

@rolandorosales5530 7 лет назад

great video Eric that was an intense one! if i recall those engines have a big connector in the back of the intake and you can get all the primary voltage waveforms from that spot for future reference!!

@bigrockk2980 7 лет назад

Another excellent video, so good in fact I feel compelled to donate to the channel, and considering i'm a cheap bugger that is a big accomplishment on your part :) Seriously though you are really good at what you do. Thanks once again for sharing!

@danielvaldezaguirre 7 лет назад

Master Eric!, no need for fancy certifications, diplomas or anything. Too much accumulated experience and knowledge. Respect!

@billyjay4672 7 лет назад

awesome. awesome. awesome. hats off to you Mr O, you where first class.

@CanadianGearAddict 7 лет назад

Whay a great series of videos. Great job

@mikeguerrero753 7 лет назад

Man!!!!! you're amazing!!! love your channel!!!! wish your shop would be in maryland!!!

@ArmstrongSurvival Год назад

I wish I was closer. I’m near Syracuse and dealing with a p2308 Ignition Coil C Secondary Circuit engine code on my 2011 dodge caravan. Changed all the spark plugs and coil packs. Ran fine for a few minutes and then the misfire showed up again.

@npfd568rc 7 лет назад

Time to celebrate with some ice cream,I think you have earned it.

@ChaplainErikTisher 7 лет назад

Thank you for your diligence. A few years ago, I had a 2001 Mazda Protege that I really liked. It had a random misfire/cylinder flood that would choke out the car/burn up the catalytic converters. I could not find a shop that would put in the diagnostic time to figure out the reasons. I ended up letting the car go for cheap because I could not figure out what was wrong. Had the shop been as diligent as you, I probably would have driven that car for much longer, maybe even now, still.

@jpack61108 7 лет назад

The John Madden reference nearly killed me!! LMAO!! That was a good one.

@SmittySmithsonite 7 лет назад

Wow, I'd have had to walk away from this one several times I think! Wasn't sure where the problem was going to be at the end here! Definitely glad I grabbed the Autel the end of last summer! :)

@rollandsicard1628 6 лет назад

The close double pulse is some type of cross-coupling within the ECM. With those type of VERY fast rise/fall pulses can only be generated within the ECM. Your trouble shooting strategy is still 100% corrrect. You fixed two problems, one generated by someone else and then the original coil failure. Good job!