Fuel Injector Replacement

Fuel Rail And Injector Assembly:

Removal

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

1. Release fuel system pressure.
2. Removed 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 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.

Note: ASD and fuel pump relays remain energized for 7 minutes during the following test, unless the test is stopped or the ignition switch is turned to the OFF position.

7. Using scan tool, place ignition switch in "RUN" position and use Actuate Output Test "Auto Shutdown (ASD) Relay", to activate fuel pump and pressurize system.
8. Check for leaks.