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HOMESERVICE MANUALSACURA2007TSX AUTOMATICREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMFUEL SUPPLY SYSTEMFUEL PRESSURE RELIEVINGWITH THE HDS
2007 Acura TSX Automatic

With the HDS

2007 Acura TSX AutomaticSECTION With the HDS
  1. Make sure you have the anti-theft codes for the audio system and the navigation system (if equipped), then write down the audio presets.
  2. Turn the ignition switch OFF.
  3. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.
    Fig 1: Connecting HDS To DLC
    G05490779Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Turn the ignition switch ON (II).
  5. Make sure the HDS communicates with the ECM/PCM. If it doesn't, go to '04-06 MODELS ; '04-06 models , '07-08 models '07-08 MODELS .
  6. Turn the ignition switch OFF.
  7. Remove the fuel fill cap to relieve the pressure in the fuel tank.
  8. Turn the ignition switch ON (II).
  9. From the INSPECTION MENU of the HDS, select Fuel Pump OFF, then start the engine, and let it idle until it stalls.
    NOTE:
    • Do not allow the engine to idle above 1,000 rpm or the ECM/PCM will continue to operate the fuel pump.
    • A DTC or a Temporary DTC may be set during this procedure. Check for DTCs, and clear them as needed (see DTC CLEAR ).
  10. Turn the ignition switch OFF.
  11. Disconnect the negative cable from the battery.
  12. Remove the quick-connect fitting cover (A).
    Fig 2: Identifying Quick-Connect Fitting Cover
    G05490780Courtesy of AMERICAN HONDA MOTOR CO., INC.
  13. Check the fuel quick-connect fitting for dirt, and clean it if needed.
  14. Place a rag or shop towel over the quick-connect fitting (A).
    Fig 3: Identifying Quick-Connect Fitting
    G05490781Courtesy of AMERICAN HONDA MOTOR CO., INC.
  15. Disconnect the quick-connect fitting (A): Hold the connector (B) with one hand, and squeeze the retainer tabs (C) with the other hand to release them from the locking tabs (D). Pull the connector off.
    NOTE:
    • Be careful not to damage the line (E) or other parts.
    • Do not use tools.
    • If the connector does not move, keep the retainer tabs pressed down, and alternately pull and push the connector until it comes off easily.
    • Do not remove the retainer from the line; once removed, the retainer must be replaced with a new one.
      Fig 4: Identifying Quick-Connect Fitting, Connector, Retainer Tabs And Locking Tabs
      G05490782Courtesy of AMERICAN HONDA MOTOR CO., INC.
  16. After disconnecting the quick-connect fitting, check it for dirt or damage (see step 4 on FUEL LINE/QUICK-CONNECT FITTING REMOVAL  ).
  17. Reconnect the negative cable to the battery, then do this:
    • Enter the anti-theft codes for the audio system and the navigation system (if equipped), then enter the audio presets.
    • Set the clock (if needed).
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.