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Home >> Acura >> 2004 >> MDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Supply System >> Fuel Pressure Relieving >> Without the HDS
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Without the HDS

  1. Make sure you have the anti-theft code for the radio and navigation system, then write down the frequencies for the radio's station presets.
  2. Turn the ignition switch OFF.
  3. Remove the driver's dashboard lower cover (see DASHBOARD LOWER COVER REMOVAL/INSTALLATION ).
  4. Remove PGM-FI main relay 2 (FUEL PUMP) (A).
    Fig 1: Removing PGM-FI Main Relay 2 (Fuel Pump)
    G03639945Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Remove the fuel fill cap, and relieve fuel pressure in the fuel tank.
  6. Start the engine, and let it idle until it stalls.
    NOTE: A DTC or a Temporary DTC may be set during this procedure. Check for DTCs, and clear them as necessary (see GENERAL TROUBLESHOOTING INFORMATION ).
  7. Turn the ignition switch OFF.
  8. Disconnect the negative cable from the battery.
  9. Remove the quick-connect fitting cover (A).
    Fig 2: Removing Quick-Connect Fitting Cover (2003-04 Models)
    G03639946Courtesy of AMERICAN HONDA MOTOR CO., INC.
    Fig 3: Removing Quick-Connect Fitting Cover (2005-06 Models)
    G03639947Courtesy of AMERICAN HONDA MOTOR CO., INC.
  10. Place a rag or shop towel (B) over the quick-connect fitting (C).
  11. Disconnect the quick-connect fitting (see FUEL LINE/QUICK-CONNECT FITTING PRECAUTIONS  ).
  12. After relieving fuel pressure, install the quick-connect fitting (see FUEL LINE/QUICK-CONNECT FITTING INSTALLATION  ).
  13. Reconnect the negative cable to the battery, and do these items:
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