Fuel Injector Replacement

Fuel Injector Removed:

Fuel Injector Installation:

WARNING: The fuel system is under constant pressure, even when the engine is OFF. Always release fuel pressure before servicing any fuel system component.

REMOVAL

1. Release fuel system pressure.
2. Disconnect the negative battery cable and remove the fuel rail.
3. Disconnect the wiring connector from the fuel rail to the injector.
4. Remove the fuel injector lock clip, and slide the injector straight out of the fuel rail cup.
5. Check each injector O-ring for damage and replace any damaged O-rings prior to installation. If the injector is to be re-used, place a protective cap over the injector tip, while it is removed.


INSTALLATION

1. Before installing injectors lubricate the O-ring with a drop of engine oil.
2. For each injector, install injector top into fuel rail cup, and install injector lock clip by sliding open end into injector slot, and onto the fuel rail cup side slots.
3. Install injector electrical connectors.
4. Install fuel rail.
5. Using scan tool [1], activate fuel pump and pressurize system.
6. Check for leaks.

Remarks

[1] Follow scan tool manufacturer's instructions.