1 have a 2002 dodge grand caravan es awd 3.8l. my starting problem started out like this, at first i had to keep turning the key two or three times to get it to start, the relay would click. then over time i would have to turn the key for 20 mins and it would start and go. now, i when its starts it stalls. last time i took it to auto zone and the codes where p0700-p0733-p0737-p0734-p0135-p0715 and there were more but the guy say no use printing them all out there were so many. my dash shows codes p1684-p0135-p0700-p0442-p0445. could it be a bad pcm or tcm? the people a got the van from use to jump it battery to battery, not grounding anything to the frame or body. no one around here has and answer.
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Sounds like it started out as a starter solenoid contacts or low power, poor battery connection problem. That still may may be the case but, now you very well may have a PCM problem on top of it.
I would start with the basics. Clean the battery cable connections and check the cables for any signs of internal corrosion. This will also reset your codes. See which codes return. Consider having the battery load tested. Free just about anywhere.
As far as the codes you have now; transmission, O2 sensor heat, EVAP leaks, I don't see any effecting starting and running. Multiple, unrelated codes are common when you have starting, rough running problems. A weak battery doesn't help either.
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