2012 Honda Fit Base, Automatic TransFACTORY OEM SERVICE PROCEDURE

Injector Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the intake manifold and the intake manifold chamber (see REMOVAL ).
  3. Remove the quick-connect fitting cover (A), then disconnect the quick-connect fitting (B).
    Fig 1: Identifying Quick-Connect Fitting Cover, Quick-Connect Fitting, Injector Connectors, Fuel Rail Mounting Nuts & Fuel Rail
    G05953002Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the injector connectors (C).
  5. Remove the fuel rail mounting nuts (D) from the fuel rail (E).
  6. Remove the fuel rail and the injectors from the cylinder head.
  7. Remove the injector clips (F) from the fuel rail.
  8. Remove the injectors (G) from the fuel rail.
  9. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: O-Rings (Black), Injectors, Fuel Rail, Injector Clips, Cylinder Head & Injector Connectors With Torque Specifications
    G05953003Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Install the injector clips (D).
  11. Coat the new injector O-rings (brown) (E) with clean engine oil.
  12. Install the fuel rail and the injectors in the cylinder head (F).
  13. Install the fuel rail mounting nuts (G).
  14. Connect the injector connectors (H).
  15. Connect the quick-connect fitting (I) and the quick-connect fitting cover (J).
  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 is pressurized. Repeat this two or three times, then check for fuel leaks.
  17. Reinstall the intake manifold and the intake manifold chamber (see INSTALLATION ).
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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