Fuel Injector: Service and Repair

Fuel Rail Mounting:

NOTE: Fuel system pressure must be released prior to any service of fuel injection components. Service and Repair


REMOVAL
1. Disconnect the negative battery cable, and remove the fuel tank filler cap.
2. Remove the intake air duct.
3. Remove the bolts that hold the fuel rail to the intake manifold.

Fuel Injectors:

Fuel Injector Removal And Replacement:

4. Using a rocking motion, separate the fuel injectors and fuel rail from the intake manifold and discard all the old "O" rings.
5. Remove the fuel injectors from the fuel rail and discard all the old "O" rings.

INSTALLATION
1. Install new O-ring seals on the top of each injector, before installation lightly lube each O-ring with clean motor oil.
2. Install each injector into its position on the fuel rail, and install the retainer clips.
3. Install a new O-ring onto the exposed end of each fuel injector, lightly lube each O-ring with clean motor oil.
4. Install the fuel injectors and fuel rail into the intake manifold and tighten fuel rail mounting bolts to 20 ft-lbs (27 Nm).
5. Install the intake air duct.
6. Connect the negative battery cable, and Install the fuel tank filler cap.
7. Connect the DRB II scan tool and select the Automatic Shut Down (ASD) Fuel System Test to pressurize fuel system and check for leaks.

CAUTION: Unless the test is stopped or the ignition switch is turned to the OFF position the fuel pump relay and the ASD relay will remain energized for 7 minutes by the ASD Fuel System Test.