We don't have a lot of GMC Envoy fuel system problems on file — feel free to add yours here. The most common Envoy fuel system problems cost $1,000 to fix & occur at 97,000 miles. Click on a year below.

Worst Fuel System Problems
leaking gas, cracked gas tank filler neck 2003 GMC Envoy
gas gauge not working properly 2007 GMC Envoy
gas tank has a cracked neck 2004 GMC Envoy