2003 Pontiac Sunfire
fuel system Problems
Worst 2003 Sunfire fuel system Problems
Click on a problem below to read more.
- fuel pump failure6
- frequent fuel pump failure1
- need to step on gas to start1
- NHTSA: Fuel System, Gasoline2
- NHTSA: Fuel System, Gasoline: Delivery: Fuel Pump1
- NHTSA: Fuel System, Gasoline: Delivery: Hoses, Lines/Piping, ...1
- NHTSA: Fuel System, Gasoline: Fuel Injection System1
- NHTSA: Fuel System, Other: Storage: Fuel Gauge System1
- NHTSA: Fuel/Propulsion System1
Stay Up to Date
Compare Pontiac Sunfire Model Years
Curious how the 2003 Sunfire compares to other years?
Check out our Pontiac Sunfire overview to see the most problematic years, worst problems and most recently reported complaints with the Sunfire.