Question about 2006 GMC Envoy Denali
Classic signs of idle air control not able to cope with sudden engine loads. Cleaning should resolve this. Remove ducting from air cleaner to throttle entrance. Spray with carb. choke cleaner or WD40 spray and wipe back to the alloy finish. clean the the throttle plate and push the throttle open with your fingers and clean in behind as best you can. Clean the passageways to the idle air control valve. Remove the valve and give it a thorough clean up. Reassemble and it should all be good.
Posted on Nov 11, 2010
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Posted on Jan 02, 2017
Cleaning the throttle body is certainly the right thing to try first. Make sure you clean the throttle plate as well.
Posted on Nov 29, 2010
Testimonial: "Thanks. It seems to have worked."
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