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2003 Chevrolet Avalanche
fuel system Problems
Worst 2003 Avalanche fuel system Problems
Click on a problem below to read more.
- NHTSA: Fuel System, Gasoline4
- NHTSA: Fuel System, Gasoline: Storage: Tank Assembly2
- NHTSA: Fuel System, Other: Storage: Fuel Gauge System1
- NHTSA: Fuel/Propulsion System1
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Check out our Chevrolet Avalanche overview to see the most problematic years, worst problems and most recently reported complaints with the Avalanche.