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Fuel Injector: Service and Repair




Injector Replacement

1. Relieve the fuel pressure. Service and Repair

2. Remove the intake manifold and the intake manifold chamber. Intake Manifold/Chamber Assembly Removal And Installation

3. Remove the quick-connect fitting cover (A), then disconnect the quick-connect fitting (B).

4. Disconnect the injector connectors (C).

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

6. Remove the fuel rail and the injectors from the cylinder head.

7. Remove the injector clips (F) from the fuel rail.

8. Remove the injectors (G) from the fuel rail.






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

10. Install the injector clips (D).

11. Coat the new injector O-rings (brown) (E) with clean engine oil.

12. Install the fuel rail and the injectors in the cylinder head (F).

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

14. Connect the injector connectors (H).

15. Connect the quick-connect fitting (I) and the quick-connect fitting cover (J).

16. 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 leaks.

17. Reinstall the intake manifold and the intake manifold chamber. Intake Manifold/Chamber Assembly Removal And Installation





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