Question about 1987 Ford Ranger

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Extremely high idle speeds develped overnight

Truck starts fine but acts like it is still 30 below zero with high idle speeds,2500rpm,that don't kick down so runs at 1500 rpm instead of 900-1000 rpm when truck is at a stop

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  • Ford Master
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Check idle speed control make your throttle valves not stuck.check for vacuum leak around the throttle body area look for broke gasket.

Posted on Apr 13, 2009

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