We don't have a lot of GMC Sierra 3500 fuel system problems on file — feel free to add yours here. The most common Sierra 3500 fuel system problems cost $7,900 to fix & occur at 126,000 miles. Click on a year below.

Worst Fuel System Problems
continuous fuel issues 2013 GMC Sierra 3500
injection pump explodes 2015 GMC Sierra 3500
stalling missing and dying hp fuel pump 2019 GMC Sierra 3500