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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: https://www.youtube.com/watch?v=5mWlUuEx_xE
PART II: https://www.youtube.com/watch?v=2FLWngdd9ac
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50 thoughts on “Dodge grand caravan p2308 – case study part iii”
  1. Avataaar/Circle Created with python_avatars Dont Do it dont says:

    Ok let's see you fix this one . What do you do about a start that keeps started even when the car is running. Even in accessory mode. ??????? 🤔🤯😭🙄🤬 .lol

  2. Avataaar/Circle Created with python_avatars Mohamed Ahmed says:

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

  3. Avataaar/Circle Created with python_avatars Paublus Americanus AMERICANUS says:

    How did you fix that ecm plug in. One on my Chrysler product has one bad also.

  4. Avataaar/Circle Created with python_avatars vmwindustries says:

    Exhaust return, re burn?

  5. Avataaar/Circle Created with python_avatars ADE2366 says:

    I feel sorry for the rest of YouTube, 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 👍🏼

  6. Avataaar/Circle Created with python_avatars Paul DiGiorgio says:

    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

  7. Avataaar/Circle Created with python_avatars Kenneth Birchall says:

    Vegas

  8. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    I was pretty sure it was a bad coil Think I said in part 1 and Part 2 or one or the other nice to see that 6 was swapped to 1 and the rpm ramp up went from Cylinder 6 to Cylinder 1 Good Work Finding the Bad Coil Eric O @SouthMainAutoRepairLLC

  9. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Interesting that the injector kill test 6 Shoots the rpms up but the Rest drop the rpms like a Normal Kill test Event Would hmmm 🤔 @SouthMainAutoRepairLLC

  10. Avataaar/Circle Created with python_avatars Jack Moore says:

    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

  11. Avataaar/Circle Created with python_avatars claymore cluepile says:

    good stuff……tough case ….. it makes me wonder if the original ECM might actually still be good…..maybe once the busted coil got replaced the original ECM might function normally again, in just the same way the replacement ECM functioned normally again after the coil was replaced

  12. Avataaar/Circle Created with python_avatars sam bitar says:

    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.

  13. Avataaar/Circle Created with python_avatars J Reynoso says:

    So dope!

  14. Avataaar/Circle Created with python_avatars Bear Nay says:

    Wow what a roller coaster

  15. Avataaar/Circle Created with python_avatars Dark Delta says:

    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.

  16. Avataaar/Circle Created with python_avatars Vmlc L. says:

    Impressive

  17. Avataaar/Circle Created with python_avatars Up2NoGood says:

    Probably a waste spark system..Just like the old Chrysler\Dodge Caravans….

  18. Avataaar/Circle Created with python_avatars John H says:

    You. Are. Amazing.

  19. Avataaar/Circle Created with python_avatars Tom Legg says:

    Great series Eric, I wonder if the current anomaly/strategy moved from the #4 cylinder to #3 cylinder when you swapped the coil from #6 to #1. I think you were on to something with that bad coil shorting. Now we will never know….thanks a pant load Eric…lol

  20. Avataaar/Circle Created with python_avatars Robert Johnson says:

    Fantastic series did you ever get the answer for the double ignition spike off anyone?
    Top work im up at 4am in UK still watching your videos haha 😄

  21. Avataaar/Circle Created with python_avatars Warren Bergner says:

    Got to love the old days when all you had to do was pull a plug wire/

  22. Avataaar/Circle Created with python_avatars Bruce Shepherd says:

    and you hat part swapping and you do it

  23. Avataaar/Circle Created with python_avatars Bruce Shepherd says:

    change plugs and coil

  24. Avataaar/Circle Created with python_avatars Shawn Martin says:

    Omg the spark plugs and coils should've been the first checked for a misfire code lol

  25. Avataaar/Circle Created with python_avatars Dave Dives In! says:

    Legend.

  26. Avataaar/Circle Created with python_avatars daddyphatsax304 says:

    Way to work through that one E. I work here in Detroit for a tier 2 supplier for FCA. I have worked pretty closely with the lead calibration engineer on the pentastar 3.6. I am almost certain he would know immediately what you were seeing there. I am curious as well so I definitely will be reaching out to him about this. If i had to guess…i would say it is some sort of knock correction…at least for idle roughness prevention when misfires are detected by the ECU. After being a part of this program and several others from all the major car companies…i can tell you for sure that anything is possible…especially if it was an issue that was not detected until production has already began…or that a change in the production process has brought about…they will try pretty hard to correct the issue with software if at all possible…because of course they would have a lot less time and money into a simple reflash and software revision. This is of course why the stealerships are so adamant about bringing your vehicles in when these software revs have not been addressed. Either was nice work!

  27. Avataaar/Circle Created with python_avatars Miguel Martinez says:

    When in doubt YOUTUBE it Lol . Eric I’m sure you have a friend who has a known good waveform .

  28. Avataaar/Circle Created with python_avatars Jim Getz says:

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

  29. Avataaar/Circle Created with python_avatars Martin Kucic says:

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

  30. Avataaar/Circle Created with python_avatars D-S-L L says:

    👏👏👏👏

  31. Avataaar/Circle Created with python_avatars D-S-L L says:

    👏👏👏👏

  32. Avataaar/Circle Created with python_avatars Semi Interesting says:

    you going to give the new autel ultra a spin? they're pretty proud of it at over $6k, on aes wave's website anyway.

  33. Avataaar/Circle Created with python_avatars William Beauchemin says:

    You done another great job!

  34. Avataaar/Circle Created with python_avatars kenneth litton says:

    Viewers, If I can do it you can do it……….after buying 6 different scan tools and 3 years training on how to use them

  35. Avataaar/Circle Created with python_avatars Danny says:

    That was a real head scratcher, great learning curve though

  36. Avataaar/Circle Created with python_avatars somemedic says:

    Its regularly irregular
    The QRS interval is elongated, widened
    The van is suffering from a Right bundle branch block or left bundle branch block.

    Cardiology for paramedics…. youd make a good medic Eric

  37. Avataaar/Circle Created with python_avatars Jovan Joseph says:

    So what was the issue a coil ? Because I have the same code and it wont go away ? Or was it the ecm ?

  38. Avataaar/Circle Created with python_avatars Thomas McFarland says:

    I wish I lived closer to your shop I would bring my vehicles to you

  39. Avataaar/Circle Created with python_avatars Dan Labelle says:

    Awesome job guys

  40. Avataaar/Circle Created with python_avatars Thomas Devine says:

    You got lost in a logic loop. Try six different ways to test including removing the intake or just transfer gas from your car to remove global lock out.

  41. Avataaar/Circle Created with python_avatars derredriver says:

    Fighter pilots call it target fixation they become so fixated with the guy in front of them they don't see the guy sneak up behind them and kill them.

  42. Avataaar/Circle Created with python_avatars Andrei Karpov says:

    ok, so new (reprogrammed) ECU (computer) fixed the problem, right?

  43. Avataaar/Circle Created with python_avatars f f says:

    Your a genius I been hearing the same misfire for weeks I just bought the spark plugs dint think that moderns coils could go bad so quick.

  44. Avataaar/Circle Created with python_avatars Ceasar Vasquez says:

    Charge double for the gas

  45. Avataaar/Circle Created with python_avatars Hola! Iron Range Auto Tech says:

    Pcm and tipm are very common in these

  46. Avataaar/Circle Created with python_avatars James Mushinski says:

    YOU NEED A HOMEMADE APPLE PIE AFTER THAT ONE !!!!!

  47. Avataaar/Circle Created with python_avatars David Scheiber says:

    I know this is an old video but I have a theory
    Maybe theres a coding error in the pcm, maybe the pcm can see misfires and will activly attempt to remedy a worn spark plug misfire buy double firing the coil in order to induce more current to make the spark jump longer gap of the worn spark plug to get a stronger spark(or to double fire the plug). Perhaps when coding the pcm they got the spark order wrong on that program/strategy.

  48. Avataaar/Circle Created with python_avatars John Berger says:

    could you use a power prob 4 and go to each injector and find the problem if you did not have a scope ?