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Idle wont come down on a 1995 Ford F150 Econo Line Van 351 EFI?
Wiki User
∙ 15y ago
Could be your IAC (idle air control)is stuck or quit working. If you have no fault codes,it is almost always a vacuum leak somewhere in the intake manifold (upper or lower)or perhaps a broken or disconnected vacuum hose.If your engine is getting air from somewhere other than your IAC it will increase you idle speed. Check and make sure your throttle is coming back to the stop on your throttle body.Hope this helps. Jim
Wiki User
∙ 15y ago
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