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HOMESERVICE MANUALSACURA2007TSX AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISPGM-FI SYSTEMINJECTOR REPLACEMENT
2007 Acura TSX Automatic

Injector Replacement

2007 Acura TSX AutomaticSECTION Injector Replacement
  1. Relieve fuel pressure (see FUEL PRESSURE RELIEVING ).
  2. Remove the engine cover; '04-05 models (see step 3 of REMOVAL ('04-05 MODELS) ), '06-08 models (see step 3 of REMOVAL ('06-08 MODELS) ).
  3. Disconnect the connectors from the injectors (A) and the engine mount control solenoid valve (B).
    Fig 1: Identifying Injectors, Injector Clips, Quick-Connect Fitting And Engine Mount Control Solenoid Valve
    G05490628Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Remove the ground cable bolt (G101) (C).
  5. Disconnect the quick-connect fitting (D).
  6. Remove the fuel rail mounting nuts (E) from the fuel rail (F).
  7. Remove the fuel rail and the injectors from the injector base.
  8. Remove the injector clips (G) from the injectors.
  9. Remove the injectors from the fuel rail.
  10. Coat the new O-rings (A) with clean engine oil, and insert the injectors (B) into the fuel rail (C).
    Fig 2: Injectors, Injector Base, Injector Clips, Fuel Rail Insulator And Fuel Rail w/Torque Spec.
    G05490629Courtesy of AMERICAN HONDA MOTOR CO., INC.
  11. Install the injector clips (D).
  12. Coat the injector O-rings (E) with clean engine oil.
  13. Install the fuel rail insulator (F), then install the fuel rail and injectors in the injector base (G).
  14. Install the fuel rail mounting nuts (H).
  15. Connect the connectors on the injectors and the engine mount control solenoid valve, then reinstall the ground cable bolt.
  16. Connect the quick-connect fitting.
  17. 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.
  18. Install the engine cover.
RENDER: 1.0x

NO RELATED

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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.