High RPM at Start
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Junior Member
Joined: Oct 2009
Posts: 69
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From: Lancaster, PA
Year: 1990
Model: Cherokee
Engine: 4.0 inline 6
High RPM at Start
i have a 1990 jeep cherokee 4.0 I6
when i start it up it instantly shoots up to about 4000rpm and stays there unless i give it more throttle to about redline and then it will either drop down back to normal or go back to 4000rpm.
any ideas on what the problem is?
when i start it up it instantly shoots up to about 4000rpm and stays there unless i give it more throttle to about redline and then it will either drop down back to normal or go back to 4000rpm.
any ideas on what the problem is?
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