FUEL PRESSURE REGULATOR REMOVAL


  1. DISCHARGE FUEL SYSTEM PRESSURE

    CAUTION:


    • Do not disconnect any part of the fuel system until you have discharged the fuel system pressure.

    • After discharging the fuel pressure, place a cloth or equivalent over fittings as you separate them to reduce the risk of fuel spray on yourself or in the engine compartment.


    1. Disconnect the fuel pump ECU connector Click here.

    2. Start the engine. After the engine stops, turn the engine switch off.

      Tech Tips

      DTC P0171/0174 (system too lean) may be stored.

    3. Crank the engine again, and then check that the engine does not start.

    4. Loosen the fuel tank cap, and then discharge the pressure in the fuel tank completely.

    5. Disconnect the cable from the negative (-) battery terminal.

      Note


      • After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work Click here.

      • When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.

    6. Connect the fuel pump ECU connector Click here.

  2. PRECAUTION

    Note

    After turning the engine switch off, waiting time may be required before disconnecting the cable from the battery terminal. Therefore, make sure to read the disconnecting the cable from the battery terminal notice before proceeding with work Click here.

  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

    Note

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected Click here.

  4. REMOVE V-BANK COVER SUB-ASSEMBLY


    1. A0158H7E01
      Text in Illustration
      *1 Grommet
      *2 Pin
      *3 Hook
      *4 Bracket

      Raise the front of the V-bank cover to detach the 3 pins. Then remove the 2 V-bank cover hooks from the bracket, and remove the V-bank cover.

  5. REMOVE AIR CLEANER CAP AND HOSE


    1. A0156RY

      Disconnect the No. 2 PCV hose and No. 1 air hose.

    2. Disconnect the mass air flow meter connector and detach the clamp.

    3. Detach the 4 clamps.

    4. Loosen the hose clamp and remove the air cleaner cap and hose.

  6. REMOVE FUEL PRESSURE REGULATOR ASSEMBLY


    1. A015ABZ

      Disconnect the No. 2 fuel tube from the pressure regulator Click here.

      CAUTION:

      Put a cloth or equivalent under the pressure regulator.

    2. A015B6S

      Remove the No. 1 air hose from the pressure regulator.

    3. A01570Y

      Remove the 2 bolts, and then pull out the pressure regulator.

    4. Remove the O-ring from the pressure regulator.