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8.7
pretty bad- Typical Repair Cost:
- $630
- Average Mileage:
- 97,050 miles
- Total Complaints:
- 3 complaints
Most Common Solutions:
- replace gas tank (2 reports)
- replaced check valve (1 reports)
fuel system problem
Helpful websites
- No one has added a helpful site for this 2004 Envoy problem yet. Be the first!
A D V E R T I S E M E N T S
Started with the P0455 code and smelling gas fumes at rear of Envoy. Husband got under it to look for gas leaks and gas all around the inlet check valve connection that fuel filler hose hooks to at rear of gas tank. Check online about this and it appears to be a big problem for a lot of 2003-2004 GM vehicles but the refuse to make it a recall. Beware if you are buying or own GM vehicles in these years.
- Sherry B., Dalton, GA, US