High Idle: TPS or IAC?
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
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From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Make sure the wiring is correct per the photo above.
Also, after that, check the CPS output per the instructions in my "pink link"...Post #7.
Also, after that, check the CPS output per the instructions in my "pink link"...Post #7.
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