We don't have a lot of GMC Envoy XL fuel system problems on file — feel free to add yours here. The most common Envoy XL fuel system problems cost $1,000 to fix & occur at 121,000 miles. Click on a year below.

Worst Fuel System Problems
cracked gas tank filler neck leaking gas 2003 GMC Envoy XL
gas tank seal leak 2004 GMC Envoy XL
inaccurate fuel gauge 2005 GMC Envoy XL