Fuel Injector: Service and Repair
Injector Replacement1. Relieve the fuel pressure.
2. Remove the air cleaner.
3. Remove the intake manifold.
4. Disconnect the connectors (A) from the injectors (B), and remove the wire harness from the harness clips (C) from the fuel rail (D).
5. Disconnect the quick-connect fittings (E).
6. Remove the fuel rail bracket (F).
7. Remove the fuel rail mounting nuts (G) from the fuel rail.
8. Remove the injector clips (H) from the injectors.
9. Remove the injectors from the fuel rail.
10. Coat the new O-rings (A) with clean engine oil, then insert the injectors (B) into the fuel rail (C).
11. Install the injector clips (D).
12. To prevent damage to the O-rings, install the injectors in the fuel rail first, then install them in the cylinder head (E).
13. Install the fuel rail mounting nuts (F). Install the fuel rail bracket (G).
14. Connect the quick-connect fittings.
15. Connect the injector connectors, and install the wire harness to the harness clips (H).
16. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel pressure in the fuel line rises. Repeat this two or three times, then check for fuel leakage.
17. Install the intake manifold.
18. Install the air cleaner.
19. Turn the ignition switch ON (II).
20. Clear any DTCs with the HDS.