GMC Sierra 3500
fuel system Problems
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.
The worst model years for fuel system problems are the 2019 Sierra 3500, 2015 Sierra 3500, and the 2014 Sierra 3500.
Worst GMC Sierra 3500 Fuel System Problems
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#1: Continuous Fuel Issues 2013 Sierra 3500
- Average Cost to Fix:
- $8,000
- Average Mileage:
- 111,000 mi
-
#2: Injection Pump Explodes 2015 Sierra 3500
- Average Cost to Fix:
- $12,900
- Average Mileage:
- 181,000 mi
-
#3: Stalling Missing And Dying Hp Fuel Pump 2019 Sierra 3500
- Average Cost to Fix:
- $2,900
- Average Mileage:
- 86,000 mi