2004 Acura TL AutomaticFACTORY OEM SERVICE PROCEDURE

Injector Replacement

  1. Relieve fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the intake manifold (see REMOVAL ).
  3. Disconnect the connectors from the injectors (A).
    Fig 1: Disconnecting Connectors From Injectors
    G03659525Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Disconnect the quick-connect fittings (B).
  5. Remove the fuel rail mounting bolts (C) from the fuel rail (D).
  6. Remove the injector clip (E) from the injector.
  7. Remove the injector from the fuel rail.
  8. Coat the new O-rings (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: Inserting Injectors Into Fuel Rail
    G03659526Courtesy of AMERICAN HONDA MOTOR CO., INC.
  9. Install the injector clip (D).
  10. Coat the new injector O-rings (E) with clean engine oil.
  11. Install the injectors in the injector base (F).
  12. Install the fuel rail mounting nuts.
  13. Connect the connectors on the injectors.
  14. Connect the quick-connect fittings (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 rail will be pressurized. Repeat this two or three times, then check for fuel leakage.
  16. Install the intake manifold (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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