Mechanics

'92 STILL IDLING HIGH AND NOW OVERHEATING

1992 Plymouth Acclaim • 75,000 miles

Ran through checklist of vacuum leaks and TPS sensor. Replaced AIS motor and disconnected battery. Ran smoothly and quietly for a day and then suddenly started idling high again and now overheating and smells VERY hot after driving 10 miles or so. When shifting from park into drive, kind of****** (maybe because it is idling so high?) I haven't had it on the DBII scanner as of yet. No check engine light on either.
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Jackpotbetty
October 22, 2011.



Clean the throttle body, look for a vacuum leak and retest the TPS also check fuel pressure. Computer might be relearning the idle speed

Rasmataz
Oct 26, 2011.