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2003 GMC Sonoma
fuel system Problems
Worst 2003 Sonoma fuel system Problems
Click on a problem below to read more.
- fuel backs up into filler neck, takes a long time to fill1
- NHTSA: Fuel System, Gasoline1
- NHTSA: Fuel System, Gasoline: Delivery: Fuel Pump1
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly1
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly: ...1
- NHTSA: Fuel/Propulsion System1
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Compare GMC Sonoma Model Years
Curious how the 2003 Sonoma compares to other years?
Check out our GMC Sonoma overview to see the most problematic years, worst problems and most recently reported complaints with the Sonoma.