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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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Check out our GMC Sonoma overview to see the most problematic years, worst problems and most recently reported complaints with the Sonoma.