Fuel System
WARNING: This page is about a different car, the 2003 Pontiac Sunfire, 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
- Check the fuel pressure regulator hose for the presence of fuel. Replace the fuel pressure regulator if fuel is found in the hose.
- Test the fuel injectors. Go to FUEL INJECTOR BALANCE TEST WITH SPECIAL TOOL , FUEL INJECTOR BALANCE TEST WITH TECH 2 , or FUEL INJECTOR COIL TEST under FUEL SYSTEMS (GASOLINE) in SYSTEM & COMPONENT TESTING - 2.2L ALERO, CAVALIER, GRAND AM & SUNFIRE article.