Question about 1995 GMC Sierra C1500

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Hesitation to take the gas

I just recently bought a 1995 gmc z71 it sat up for two years and currently has 200,000 miles on it but it runs good except for if it idles for a while the service engine light comes on and it starts to hesitate taking the gas the only way to get the light to go off is cut the truck off for a while i have replaced the spark plugs,fuel filter and the idle airspeed sensor and i dont know what else to do

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Have someone check the light ,but i would have to say that the EGR valve may be opening too soon causing a vaccum leak

Posted on Jul 13, 2009


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