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[FIXED] 2010 jeep wrangler 3.8 other shop installed new engine, long crank P0339

  • ed2
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5 years 2 months ago #41557 by ed2
Replied by ed2 on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
Here you go - nothing about it is right, new on on top in pics....
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  • Tyler
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5 years 2 months ago #41559 by Tyler
Replied by Tyler on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
Well would you look at that. B) It's not the wrong plate, it was manufactured incorrectly. REALLY incorrectly.

I was right about that one tooth being shorter than it should be, but Matt picked up on what was truly pissing off the PCM. No wonder it had a long crank. :silly:

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5 years 2 months ago #41562 by Matt T
Replied by Matt T on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339

ed2 wrote: Here you go - nothing about it is right, new on on top in pics....


Thanks for the pictures. I wasn't expecting it to be that bad. They did do a very nice job of polishing that turd though :lol:

Tyler wrote: I dunno if I'm nitpicking here? But something about this section bothers me:

In every capture, the low section of the tooth right before the sync notch is noticeably shorter than all others.


Apparently you weren't "nit picking". What you noticed matches the flexplate. There are short low sections in the waveform that match the thin flexplate teeth next to both sync notches.

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5 years 2 months ago #41583 by Tyler
Replied by Tyler on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339

There are short low sections in the waveform that match the thin flexplate teeth next to both sync notches.



I was actually trying to decide what symptoms those thinner teeth would have caused, had that extra window not been punched out. :blink: Ghost misfires, maybe? :silly:

So ed2, who get's to pay the bill for that Mopar flexplate?

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5 years 2 months ago #41593 by ed2
Replied by ed2 on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
It had missfires, customer pays the shop that installed it ,gave up . I dont understand that- dont you have to follow your job through till its right? I know i do...Thanks for the help.definitely a weird one !

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5 years 2 months ago #41600 by Tyler
Replied by Tyler on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
Yeah, I don't have the option of punting AFTER I put an engine and PCM in something. :lol:

Thank you for bringing this one to us! Let us know how it goes with the new flexplate?

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5 years 1 month ago #41823 by ed2
Replied by ed2 on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
Sorry been busy, , flex plate fixed problem. also had to remove the Bosch 02 sensors that last shop installed........ but all is good now. Thanks for the help
The following user(s) said Thank You: Noah

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5 years 1 month ago #41831 by Tyler
Replied by Tyler on topic 2010 jeep wrangler . 3.8. other shop installed new engine , long crank ,p0339
Appreciate the update. :cheer:

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