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Home >> Honda >> 2021 >> CR-V EX-L, AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel And Emissions - Testing & Troubleshooting (Except Hybrid) >> Repair Procedures And Test >> Fuel Pressure Relieving >> Procedure

Fuel Pressure Relieving: Procedure

WARNING: 

Flammable - Keep Fire Away

NOTE: 

  1. Fuel Tank Pressure - Relieve (Mexico models)
    1. Remove the fuel fill cap to relieve the pressure in the fuel tank.
  2. Fuel Tank Pressure - Relieve (USA and Canada models)
    GHH427912Courtesy of HONDA, U.S.A., INC.
    1. Lift up cargo lid. Remove the emergency fuel funnel (A).
    GHH427913Courtesy of HONDA, U.S.A., INC.
    2. Insert the emergency fuel funnel (A) into the fuel filler neck to relieve the pressure in the fuel tank.
  3. Fuel Pump - Stop (with HDS)
    1. Turn the vehicle to the ON mode, but do not start the engine.

    2. Connect the HDS

    3. 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 PCM will continue to operate the fuel pump.
    • A Pending or Confirmed DTC may be set during this procedure. Check for DTCs, and clear them as needed.

    4. Turn the vehicle to the OFF (LOCK) mode.

  4. Fuel Pressure - Relieve (without HDS)
    1. Remove PGM-FI main relay 2 .
    2. Start the engine, and let it idle until it stalls.

    NOTE:  If any DTCs are stored, clear and ignore them.

    3. Turn the vehicle to the OFF (LOCK) mode.

    4. Install PGM-FI main relay 2.

  5. 12 Volt Battery Terminal - Disconnect