Injector Replacement

2006 Honda Pilot EX, 3.5 YF2, J35Z1SECTION Injector Replacement
  1. Relieve fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
  3. Disconnect the connectors from the injectors (A).
    Fig 1: Injector, Quick-Connect Fitting And Fuel Rail Mounting Bolts With Torque Specifications
    G05593760Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the quick-connect fitting (B) (see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ).
  5. Remove the fuel rail mounting bolts (C) from the fuel rail (D).
  6. Remove the injector clip (E) from the fuel rail.
  7. Remove the injectors from the rails.
  8. Coat the new O-ring (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: Identifying Injectors And Fuel Rail
    G05593761Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the injector clip (D).
  10. Coat the new injector O-ring (E) with clean engine oil.
  11. Install the injector/fuel rail assembly into the injector base.
  12. Install the fuel rail mounting bolts.
  13. Install the connectors on the injectors.
  14. Connect the quick-connect fitting (see FUEL LINE/QUICK-CONNECT FITTING INSTALLATION ).
  15. 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.
  16. Install the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
RENDER: 1.0x

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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.