Why won't this thing start?

Asked by John May 29, 2022 at 05:15 PM about the 2008 Chrysler Town & Country Limited FWD

Question type: Maintenance & Repair

4.0 engine coughs, sputters, backfires when starting.  Once running, it runs  and
accelerates fine, even at high throttle settings.

Was giving codes for Cam position sensor, Crank position sensor and oxygen
sensor.  Replaced all 3, no change.  Replaced the PCM, no change.  

One mechanic suggested fuel flow issues but I can swell raw fuel, if cranked for
a while and, as noted earlier, runs and accelerates fine.

Any Ideas?

2 Answers

2,810

when replacing the PCM, that usually has to be coded to the vehicle, was that done in this instance? Did you scan for the codes again? What are the codes now? How old are the spark plugs?

Yes it was pre-programmed. No change in symptoms before/after.

Your Answer:

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