Question about 2002 GMC Envoy

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2002 GMC Envoy 4x2

The car runs fine when stepping on the gas, it also has no problem starting but starts acting up as it idles. Doesn't lose power when idling but the will be fine and out of nowhere you feel a small jolt which is only for a second or two, the car will do this repeatedly I would greatly appreciate it if any of you could help. Thanks!

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  • Anonymous Sep 02, 2008

    Driving is normal until you put the defrost on then she wants to stall out

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You have to take to the shop for correction. There is a computer update that will tell the system to adjust, and make it run fine. It happens frequently for all of you that have recently had your fan clutch repaired. Have to do the computer adjustment, which I only trust the dealer to do.

Posted on Nov 30, 2008

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