Fuel Injector: Service and Repair

REMOVAL

1. Relieve the fuel system pressure, refer to Service and Repair / Fuel Pressure Relief Procedure. Fuel Pressure Release

2. Remove the fuel supply manifold.

3. Grasping the fuel injector body, pull up while gently rocking from side to side.

4. Inspect the injector O-rings (two per injector) for signs of deterioration. Replace as required.

5. Inspect the injector plastic hat (covering the injector pintle) and washer for signs of deterioration. Replace as required. If the hat is missing, look for it in the intake manifold.

INSTALLATION

1. Replace and lubricate the two injector O-rings on each injector with clean engine oil.

2. Install the injectors, using a slight twisting, pushing motion to install them.

3. Carefully seat the fuel supply manifold on the injectors.

4. Complete the installation of the fuel supply manifold.

5. Turn the ignition switch On/Off several times to pressurize the fuel system, then check for leaks.