Fuel Injector: Service and Repair

Intake Manifold Top Cover:

Tools Required
Injector Remover J 41081

Removal Procedure

Notice: Numbers in text correspond to numbered components in image.

1. Remove the negative battery cable.

2. Relieve the fuel system pressure. Refer to Fuel Pressure Release.

3. Remove the injector electrical connector.

4. Release the fuel rail to intake manifold locking tab by pushing toward center of intake manifold.

Fuel Injector Above Intake Port:

5. Pry the injector up out of intake manifold using J 41081 between the bottom of injector and intake manifold.

Fuel Rail Assembly:

6. Spread the injector retainer clip (10) to release injector from fuel rail.

Fuel Injector Identification:

Important:
^ It may be necessary to release the adjacent injector(s) from the intake manifold to allow increased fuel rail movement for injector access.
^ When replacing a fuel injector it may be necessary to have the following identification information. The fuel injector assembly contains the part number identification (2), the build date code (3), the month (4), 1-9 (Jan-Sept) O, N, D (Oct, Nov, Dec), the day (5), and the year (6).

7. Remove the fuel injector assembly (1).

Installation Procedure
1. Lubricate the new upper (11) and lower injector (13) O-rings with clean engine oil and install on injector.

2. Install the new retainer clip (6) onto injector.

3. Install the fuel injector (12) into fuel rail.

^ Ensure injectors are aligned by orientating electrical connector perpendicular to crankshaft.

^ Push in far enough to engage retainer clip with machined slots on rail socket.

4. Snap the fuel rail down onto intake manifold.

5. Install the injector electrical connector.

6. Tighten the fuel tiller cap.

6.1. Turn ignition switch to On position for 2 seconds.

6.2. Turn the ignition switch OFF for 10 seconds.

6.3. Turn the ignition switch On.

6.4. Check for fuel leaks.

7. Install the intake manifold top cover.

8. Install the negative battery cable.