Fuel Injector: Service and Repair

Injector Replacement

1. Relieve fuel pressure. Service and Repair

2. Remove the engine cover.

3. Disconnect the injector connectors (A) from the injectors.

4. Remove the ground cable bolt (G101) (B).

5. Disconnect the quick-connect fitting (C).

6. Remove the fuel rail mounting nuts (D) from the fuel rail (E).

7. Remove the fuel rail and the injectors from the injector base.

8. Remove the injector clips (F) from the injectors.

9. Remove the injectors from the fuel rail.






10. Coat the new O-rings (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).

11. Install the injector clips (D).

12. Coat the injector O-rings (E) with clean engine oil.

13. Install the fuel rail and the injectors in the injector base (F).

14. Install the fuel rail mounting nuts (G).

15. Connect the connectors on the injectors, and reinstall the ground cable bolt (G101).

16. Connect the quick-connect fitting.

17. Turn the ignition switch to ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel rail is pressurized. Repeat this two or three times, then check for fuel leakage.

18. Install the engine cover.