Bad Idle

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  #1  
Old 03-08-02, 01:33 PM
gerard
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Bad Idle

My 1992 Ford F150 with 302 engine.When put in park the engine will surge up and down 3 to 4 times before resting at normel idle.also when the relay for air or heater kicks on it will surge more than normal. Any advice? Thanks for your time!
 
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  #2  
Old 03-08-02, 03:24 PM
Joe_F
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The idle issue is probably a combination of dirt in the throttle body and a bad idle air control valve.

Clean the throttle body with Ford approved cleaner and replace the idle air control valve.

That should do it.
 
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