Fuel Injector: Service and Repair
Injector Replacement1. Relieve the fuel pressure.
2. Remove the intake manifold.
3. Disconnect the connectors from the injectors (A).
4. Disconnect the quick-connect fitting (B), and remove the nut (C).
5. Remove the fuel rail mounting bolts (D) from the fuel rail (E).
6. Remove the injector clip (F) from the injector.
7. Remove the injector from the fuel rail.
8. Coat the new O-ring (A) with clean engine oil, and insert the injector (B) into the fuel rail (C).
9. Install the injector clip (D).
10. Coat the injector O-ring (E) with clean engine oil.
11. Install the injectors in the injector base (F).
12. Install the fuel rail mounting nuts.
13. Connect the connectors on the injectors.
14. Connect the quick-connect fittings.
15. Turn the ignition switch ON (II), 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 check for fuel leakage.
16. Install the intake manifold.