Fuel Injector Replacement
Fuel Rail And Injector Assembly:
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. Fuel system pressure release must be performed prior to service.
2. Fuel rail must be removed prior to servicing fuel injectors.
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
Fuel Injector Service:
1. Before installing injectors lubricate the O-ring with a drop of clean engine oil.
2. Install injector top into fuel rail cup.
3. Install injector lock clip by sliding open end into injector slot, and onto the fuel rail cup side slots.
4. If re-using an injector, make sure that the protective cap has been removed.
5. Install fuel rail.
6. Install injector electrical connector.
7. Using scan tool [1], activate fuel pump and pressurize system.
8. Check for leaks.
Remarks
[1] Follow scan tool manufacturer's instructions.