high idle in park
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Junior Member
Joined: Jan 2010
Posts: 74
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From: Appleton, WI
Year: 1991
Model: Cherokee
Engine: 4.0 HO Straight Six
i just replaced my exhaust manifold with a new one from apn and i put everything back together. i cranked the engine over and it started. but when it idled it was at 2000 rpms. i drove it around and rite after i shifted out of park the idle went down. it went to normal driving rpms. I am confused. please help with anything. thanks
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