Fuel Injector: Service and Repair

WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE EVEN WITH ENGINE TURNED OFF. BEFORE SERVICING FUEL INJECTOR(S), FUEL SYSTEM PRESSURE MUST BE RELEASED.

To release fuel pressure, refer to Fuel System Pressure Release Procedure.

To remove one or more fuel injectors, fuel rail assembly must be removed from engine.

REMOVAL
1. Remove air cleaner assembly.
2. Remove fuel injector rail assembly.

Fuel Injector Mounting - Typical:

Injector Retaining Clips - Typical Injector:

3. Remove clip(s) retaining the injector(s) to fuel rail.
4. Remove injector(s) from fuel rail.

INSTALLATION
1. Apply a small amount of clean engine oil to each fuel injector O-ring. This will help in fuel rail installation.
2. Install injector(s) and injector clip(s) to fuel rail.
3. Install fuel rail assembly. Refer to Fuel Injector Rail Removal/installation.
4. Install air cleaner.
5. Start engine and check for leaks.