Removal (2.2L)
WARNING: This page is about a different car, the 2003 Pontiac Grand Am and 2003 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
- Release fuel system pressure. See FUEL SYSTEM PRESSURE RELEASE . Remove air cleaner outlet resonator, air cleaner intake duct and vent hose from throttle body.
- Disconnect the vacuum pipe from the fuel pressure regulator.
- Remove the engine fuel supply and return pipes.
- Disconnect the fuel injector harness connectors. Remove the fuel rail attaching studs. See Fig 1 .
- Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports.
- Rotate the fuel rail to position the injectors downward. Remove the fuel rail.
- To remove injectors from the fuel rail, remove the fuel injector retainer clip. Remove the fuel injector from the fuel rail. See Figure .
- Visually inspect the fuel injector to determine if the upper "O" ring was also removed.
- If the upper "O" ring is not removed, remove the "O" ring from the fuel rail assembly.
- Remove and discard the fuel injector "O" rings.
CAUTION:
Use care when removing the fuel rail assembly to prevent damage to the fuel injectors harness connector terminals and spray tips.