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Injector Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
  3. Remove the nut (A).
    Fig 1: Identifying Injector Clips, Fuel Rail Mounting Nuts And O-Ring
    G06429370Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the connectors (B) from the injectors, the intake side ignition coils, and the EGR valve.
  5. Remove the fuel rail mounting nuts (C) and the nut from the fuel rail (D), then remove the injectors and the fuel rail together.
  6. Remove the injector clips (E) from the injector (F).
  7. Remove the injectors from the fuel rail.
  8. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: Cylinder Head With Torque Specifications, Injector Clips And O-Rings
    G06429371Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the injector clips (D).
  10. Coat the injector O-rings (E) with clean engine oil.
  11. Install the fuel rail and the injectors in the cylinder head (F).
  12. Install the fuel rail mounting nuts (G) and the bolt.
  13. Install the nut (H) with a new O-ring (I).
  14. Connect the connectors (J) on the injectors, the intake side ignition coils, and the EGR valve.
  15. Install the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
  16. 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 check for fuel leakage.
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