Fuel Injector: Service and Repair

Injector Replacement

1. Relieve the fuel pressure Service and Repair.

2. Remove the intake manifold.

3. Disconnect the quick-connect fitting (A) Fuel Line/Quick-Connect Fitting Removal.





4. Remove the fuel joint hose mounting bolt (B).

5. Disconnect the connectors (C) from the injectors.

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

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

8. Remove the injector clips (F) from the fuel rails.

9. Remove the injectors (G) from the fuel rails.

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





11. Install the injector clips (D).

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

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

14. Reinstall the fuel rail mounting bolts, and connect the injector connectors.

15. Reinstall the fuel joint hose mounting bolt.

16. Connect the quick-connect fitting Fuel Line/Quick-Connect Fitting Installation.

17. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel rail will be pressurized. Repeat this two or three times, then make sure there are no fuel leaks.

18. Reinstall the intake manifold with a new gasket.