High idle


Old 04-28-02, 06:36 PM
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Unhappy High idle

1994 Topaz 4cyl. fuel injected, auto trans, 108000, pb, ps, air. Car runs at a high idle after started and will not slow down after hot. The throttle position sensor resistance checks ok. It acks as if the throttle is partially open. The engine runs ok otherwise. Any other checks or has any one had this happen or fixed.
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Old 04-28-02, 07:37 PM
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Bad idle air control valve or dirt/carbon in the throttle body. Get the Ford approved cleaner and start by cleaning the throttle body and passages.

That being said, if it doesn't help, a new IAC probably will.
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