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How do you stop a 91 f150 from idling at 2500 rpm when the idler screw has been adjusted the intake cleaned and the throttle cable replaced?


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Wiki User
2015-07-16 18:23:44
2015-07-16 18:23:44

Possibly fix the vaccuum leak !!

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I have the same problem. I believe the idle air control valve either needs to be cleaned or replaced.

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It's located on the Throttle Body and has an electrical connector plugged into it. It can be removed and cleaned with throttle body cleaner if you are having idle/idling, stalling, or surging problems. It is a cylinder shape with a plunger on the working end.

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The idle can be adjusted at the throttle body via the two adjustment jam nuts on the cable. Be careful not to pull this to tight as the engine will over rev when on cold starts. The idle can be adjusted at the throttle body via the two adjustment jam nuts on the cable. Be careful not to pull this to tight as the engine will over rev when on cold starts. The idle can be adjusted at the throttle body via the two adjustment jam nuts on the cable. Be careful not to pull this to tight as the engine will over rev when on cold starts.

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goto subaru dealership and have it adjusted by experts.


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