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P1391, cmp, ckp waveform
Posted to Technical Discussion Forum on 12/11/2015 29 Replies

I have this van here with P1391, running rough, and stalling.

I was reading up on P1391 on these vans, and the most common failure is cracked flexplate, which is highly likely, because it has over 200k. I scoped ckp, and cmp, and my ckp signal does not match... Login to read more.

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car Vehicle Data

1998 Chrysler Town & Country LX 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

1998 Chrysler Town & Country LX 3.8L

Engine3.8 L
Trans4-speed Automatic (Electronic)