Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Fuel Injector: Service and Repair




Injector Replacement

1. Relieve the fuel pressure Service and Repair.

2. Remove the intake manifold Intake Manifold Removal/Installation.

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 rail and the injectors from the injector base.

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

9. Remove the injectors from the fuel rails.

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





11. Install the injector clips (D).

12. Coat the new injector O-rings (brown) (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 connectors on the injectors.

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), 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.

18. Reinstall the intake manifold with a new gasket Intake Manifold Removal/Installation.