2007 Honda Fit Base, AutomaticFACTORY OEM SERVICE PROCEDURE

Injector Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  3. Remove the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
  4. Disconnect the connectors (A) from the injectors (B), and remove the wire harness from the harness clips (C) from the fuel rail (D).
    Fig 1: Harness Clips With Torque Specifications
    G05454646Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Disconnect the quick-connect fittings (E).
  6. Remove the fuel rail bracket (F).
  7. Remove the fuel rail mounting nuts (G) from the fuel rail.
  8. Remove the injector clips (H) from the injectors.
  9. Remove the injectors from the fuel rail.
  10. Coat the new O-rings (A) with clean engine oil, then insert the injectors (B) into the fuel rail (C).
    Fig 2: Injector O-Rings With Torque Specification
    G05454647Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Install the injector clips (D).
  12. To prevent damage to the O-rings, install the injectors in the fuel rail first, then install them in the cylinder head (E).
  13. Install the fuel rail mounting nuts (F). Install the fuel rail bracket (G).
  14. Connect the quick-connect fittings.
  15. Connect the injector connectors, and install the wire harness to the harness clips (H).
  16. Turn the ignition switch ON (II), but do not operate the starter. After the fuel pump runs for about 2 seconds, the fuel pressure in the fuel line rises. Repeat this two or three times, then check for fuel leakage.
  17. Install the intake manifold (see INSTALLATION ).
  18. Install the air cleaner (see AIR CLEANER REMOVAL/INSTALLATION ).
  19. Turn the ignition switch ON (II).
  20. Clear any DTCs with the HDS.
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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