Question about 2004 Chevrolet Colorado

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Idiles rough rpm's go down engin dies some times

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Sounds like your air idle conntrol valve is the fault get it changed that should solve your problem.Good luck

Posted on Nov 16, 2009

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Starts ok, runs rough at full throttal then engine cuts out and dies when at idile


Sometimes you can reset a bad one go to the throttle body inplug it start it the engine light will come on shut it off and plug it back in try it again

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My 1998 Explorer on startup idiling to high, it occasionally revs up and down while idiling. Is there a trottle position sensor that controls the idiling rpm?


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When the AC is switched on, the engine has to rev up by few hundred RPM to take up the additional load of the compressor.
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Tune the Fuel with the AC switched OFF , on activation the engine gets the signal to rev up.

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My car is idiling rough


Go to any auto parts store and get two bottles of a fuel additive called seafoam. Pour one bottle in when you refill your tank the next two times. problem solved.

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Engine runs very rough when sitting in traffic and


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Won't start, engine wont rev above 2000rpm


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