Fuel Rail: Service and Repair

FUEL RAIL

Removal and Installation

WARNING:
- Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel-related components. Highly flammable mixtures are always present and can be ignited resulting in possible personal injury.
- Before working on or disconnecting any of the fuel tubes or fuel system components, the fuel system pressure must be relieved. Failure to follow these instructions may result in personal injury.

1. Disconnect the battery ground cable.
2. Remove the engine cover.
3. Remove the air cleaner and the air cleaner outlet tube.
4. Disconnect the fuel tube spring lock coupling.







5. Disconnect the fuel rail pressure (FRP) sensor electrical connector and vacuum hose.







6. Disconnect the ten fuel injector electrical connectors.







7. Disconnect the positive crankcase ventilation (PCV) valve electrical connector and the tube from the RH valve cover.







8. Remove the retaining nut and position the transmission fluid and indicator tube aside.







9. Remove the retainers from the fuel charging wiring harness and position the wiring harness away from the fuel injection supply manifold.







10. Remove the fuel injection supply manifold support bracket bolts.







11. NOTE: Remove the fuel injection supply manifold and the fuel injectors as an assembly.

Remove the four retaining bolts and the fuel injection supply manifold.







12. Remove the fuel injectors from the fuel injection supply manifold.







13. Remove and discard the O-ring seals from each fuel injector.

14. CAUTION: Check for fuel leakage after installation is complete.

NOTE:
- Be sure the fuel injectors and the fuel injection supply manifold are fully seated.
- Lubricate the new fuel injector O-ring seals with clean motor oil.

To install, reverse the removal procedure.