RPM too high while parking
09-26-2012, 02:14 PM
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Year: 1989
Model: Cherokee
Engine: 6cyl 4.0
RPM too high while parking
I have 01 grand cherokee, not everytime but i does often when i start the engine and rpm rise up more than 1000 rpm which i know it not normal and also sometime rpm playing going up to 2000 rpm then back to 750 rpm then go up and down over again and i hate when i put in R or D it will pop the gear because of engnie running too fast, is it thottle body cpu system or what need awnser ASAP pls cant drive that jeep like that much hate it feel that happen, HELP pls thanks
09-26-2012, 03:18 PM
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Year: 1989
Model: Cherokee
Engine: 6cyl 4.0
Originally Posted by SeriousOffroad
do a thorough T/B cleaning above and below the butterfly, pay particular attention to the IAC passages.
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