Having problems with your 2006 GMC Envoy ?
Gas gauge problems
\015 2005 GMC Envoy XL gas gauge reads empty after filling, then slowly moves up after driving but will continue to lose pressure until it reads empty and the light is on, then the check engine light came on.\015
Common problem on the 03-06 Envoy instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Envoy fuel gauge problems
The sending unit in your tank is going bad replace it.
Repair Help & Product Troubleshooting for 2006 GMC Envoy
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