Having problems with your 2004 GMC Envoy ?
THE SERVICE ENGINE LIGHT CAME ON, what is the problem
You have over 200 choices for why the light is on, Take your pick., You need to get the code to proceed. Or check the fuel cap for cracks on the seal or if its on loose. Reinstall it and the light should go off in acople days if that was the fix.
Repair Help & Product Troubleshooting for 2004 GMC Envoy
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