Having problems with your 2004 GMC Envoy ?
I have a 2004 gmc envoy my car has been surging like cutting out.We hooked computer up 2 it n it read map sensor i replaced it but still doing same thing what could it be now if i replaced the part it says when i hook computer up 2 it still says same thing
The fault codes don't always indicate the actual part failure, but the general area of a possible problem. The first thing to do with a problem like this is to clean the throttle body. Make sure to disconnect the battery when doing this procedure because it will cause the computer to reset and relearn with a clean throttle body.
Repair Help & Product Troubleshooting for 2004 GMC Envoy
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