Removal Procedure
- Relieve the fuel system pressure. Refer to
Fuel Pressure Relief
.
- Remove the air cleaner outlet duct. Refer to
Air Cleaner Outlet Duct Replacement
.
- Disconnect the fuel feed line quick connect fitting (4) from the fuel rail. Refer to
Metal Collar Quick Connect Fitting Service
.
- Cap or plug the fuel line and the fuel rail to prevent contamination.
- Disconnect the engine harness electrical connector (2) from the fuel injector harness.
- Remove the fuel injector harness connector clip from the intake manifold.
- Disconnect the engine harness electrical connector (1) from the manifold absolute pressure (MAP) sensor.
- Remove the fuel rail bolts.
Important: Use care when removing the fuel rail assembly in order to prevent damage to the fuel injector electrical connector terminals and spray tips.
- Pull the fuel rail back and upward to remove the fuel injectors from the cylinder head ports.
- Remove the fuel rail.
- Remove the fuel injectors, if necessary. Refer to
Fuel Injector Replacement
.
Installation Procedure
Important: Install NEW lower O-rings when reusing fuel injectors. Lubricate the injector tip O-rings prior to installing the injectors into the intake manifold.
- Remove the fuel injectors, if necessary. Refer to
Fuel Injector Replacement
.
- With the fuel injectors positioned downward, lower the fuel injectors into the cylinder head ports.
- Carefully push the fuel injectors into the cylinder head ports.
Notice: Refer to Fastener Notice in the Preface section.
- Install the fuel rail bolts.
Tighten
Tighten the bolts to 10 N·m (89 lb in).
- Connect the engine harness electrical connector (1) to the MAP sensor.
- Connect the engine harness electrical connector (2) to the fuel injector harness.
- Install the fuel injector harness connector clip to the intake manifold.
- Remove the caps or plugs from the fuel line and the fuel rail.
- Connect the fuel feed line quick connect fitting (4) to the fuel rail. Refer to
Metal Collar Quick Connect Fitting Service
.
- Connect the negative battery cable. Refer to
Battery Negative Cable Disconnection and Connection
.
- Inspect for fuel leaks using the following procedure:
11.1. | Turn ON the ignition, with the engine OFF for 2 seconds. |
11.2. | Turn OFF the ignition for 10 seconds. |
11.3. | Turn ON the ignition. |
11.4. | Inspect for fuel leaks. |
- Install the air cleaner outlet duct. Refer to
Air Cleaner Outlet Duct Replacement
.