2003 Buick Regal
fuel system Problems
Worst 2003 Regal fuel system Problems
Click on a problem below to read more.
- fuel pressure regulator faulty1
- NHTSA: Fuel System, Gasoline: Delivery: Fuel Pump1
- NHTSA: Fuel/Propulsion System1
Stay Up to Date
Compare Buick Regal Model Years
Curious how the 2003 Regal compares to other years?
Check out our Buick Regal overview to see the most problematic years, worst problems and most recently reported complaints with the Regal.