High idle

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  #1  
Old 01-30-02, 06:05 AM
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High idle

1993 Dodge Dakota, 5.2 liter... runs in high idle all the time and the throttle body has turned black, would like to know why???
 
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  #2  
Old 01-30-02, 09:22 AM
Joe_F
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Running too rich.

See my signature file for how to check for trouble codes.

High idle is due to a dirty throttle body and probably a bad idle air control valve.

Could also have a bad PCV system causing carbon and soot buildup from oil blowby.
 
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