2012 Acura TL BaseFACTORY OEM SERVICE PROCEDURE

Injector Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the intake manifold (see REMOVAL ).
  3. Disconnect the quick-connect fitting (A); without SH-AWD (see FUEL LINE/QUICK-CONNECT FITTING REMOVAL ), with SH-AWD (see WITH SH-AWD ).
    Fig 1: Injector And Related Replacement Components With Torque Specifications (Without SH-AWD)
    G08069574Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the fuel joint hose mounting bolt (B).
  5. Disconnect the connectors (C) from the injectors.
  6. Remove the fuel rail mounting bolts (D) from the fuel rails (E).
  7. Remove the fuel rails and the injectors from the injector base.
  8. Remove the injector clips (F) from the fuel rails.
  9. Remove the injectors from the fuel rails.
  10. Coat the new O-rings (black) (A) with clean engine oil, and insert the injectors (B) into the fuel rails (C).
    Fig 2: Identifying Injector And Related Components (With SH-AWD)
    G08069575Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Install the injector clips (D).
  12. Coat the new O-rings (green) (E) with clean engine oil.
  13. Install the fuel rails and the injectors in the injector base (F).
  14. Install the fuel rail mounting bolts, and connect the injector connectors.
  15. Install the fuel joint hose mounting bolt.
  16. Connect the quick-connect fitting; without SH-AWD (see FUEL LINE/QUICK-CONNECT FITTING INSTALLATION ), with SH-AWD (see WITH SH-AWD ).
  17. Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, 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 make sure there are no fuel leaks.
  18. Install the intake manifold with a new gasket (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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