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Home › Acura › 2014 › TSX Base, 4D Sedan › Repair and Diagnosis › Engine Performance › System › PGM-FI System (4-CYL) › Injector Replacement

Injector Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the engine cover.
  3. Remove the quick-connect fitting cover (A), then disconnect the quick-connect fitting (B).
    Fig 1: Identifying Injector Related Components
    G07767495Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the injector connectors (C) and the engine mount control solenoid valve connector (D).
  5. Remove the ground cable bolts (G101 and G102) (E).
  6. Remove the fuel rail mounting nuts (F) from the fuel rail (G).
  7. Remove the fuel rail and the injectors from the injector base.
  8. Remove the injector clips (H) from the fuel rail.
  9. Remove the injectors from the fuel rail.
  10. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: Injector Related Replacement Components With Torque Specifications
    G07767496Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Install the injectors clips (D).
  12. Coat the new O-rings (brown) (E) with clean engine oil.
  13. Install the fuel rail and the injectors in the injector base (F).
  14. Install the fuel rail mounting nuts (G) and the ground cable bolts (G101 and G102) (H).
  15. Connect the injector connectors (I) and the engine mount control solenoid valve connector (J).
  16. Connect the quick-connect fitting (K), and quick-connect fitting cover (L).
  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 will be pressurized. Repeat this two or three times, then make sure there are no fuel leaks.
  18. Reinstall the engine cover.
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