LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2007 >> RDX >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> Injector Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Injector Replacement

  1. Relieve fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the charge air cooler (see CHARGE AIR COOLER REMOVAL AND INSTALLATION ).
  3. Disconnect the throttle body 6P connector, then remove the injector cover (A).
  4. Disconnect the connectors (B) from the injectors, then remove the harness holder (C) from the fuel rail (D).
    Fig 1: Identifying Injector Cover, Injectors, Throttle Body 6P Connector And Fuel Rail
    G05444641Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Disconnect the quick-connect fitting (E).
  6. Remove the fuel rail mounting nuts (F), then remove the fuel rail.
  7. Remove the injector clips (G) from the injectors.
  8. Remove the injectors from the fuel rail.
  9. Coat the new O-rings (black) (A) with clean engine oil, then insert the injectors (B) into the fuel rail (C).
    Fig 2: Identifying Injector O-Rings
    G05444642Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Install the injector clips (D).
  11. Coat the new O-rings (green) (E) with clean engine oil, then install the fuel rail and injectors in the injector base (F).
  12. Install the fuel rail mounting nuts (G).
  13. Connect the connectors on the injectors, and install the harness holder on the fuel rail.
  14. Connect the quick-connect fitting.
  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. Reinstall the injector cover, and connect the throttle body 6P connector.
  17. Reinstall the charge air cooler (see INSTALLATION ).
  18. Clear any stored DTCs with the HDS.
scientia non olet · About LEMON Manuals