Having problems with your 2003 GMC Envoy ?
Poor power 2003 envoy does not have power when stepping on the gas. It sounds like it is starving for gas. Filters are all clean
Connect to a diagnostic computer and see what codes it gives you! it might be related to the "throttle control" or TPS which governs the mixture of gas/air etc....it talks to the car computer which controls all these things in the 2003 Envoy. could be the car computer as well....
Repair Help & Product Troubleshooting for 2003 GMC Envoy
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