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Home >> Ford >> 2024 >> E-Transit Cutaway >> Repair and Diagnosis >> External Pages >> Different car >> Section 144 (Fuel System - General Information - 3.5L ECOBOOST (235KW/320PS)) >> Diagnosis And Testing >> Low-Pressure Fuel System >> Pinpoint Tests >> Pinpoint Test A: Slow To Fill >> Pinpoint Test A: Slow To Fill

Pinpoint Test A: Slow To Fill

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  1. A1 CHECK COMPONENTS FOR SIGNS OF DAMAGE

    • Visually inspect the following components for signs of damage:

      • Fuel tank filler pipe
      • Fuel tank filler pipe vent tube, if equipped
      • EVAP system
      • Fuel tank inlet check valve (part of the fuel tank)

    Was the cause of the concern found? 

    Yes  REPAIR or INSTALL new components to correct the concern.
    No  GO to  A2

  2. A2 CHECK THE SYSTEM FOR ANY EVAP DTCS

    • Connect the diagnostic tool.

    • Check the system for any EVAPDTC s.

    Are any DTC s present? 

    Yes  REFER to: Evaporative Emissions
    .
    No  GO to  A3

  3. A3 CHECK FUEL TANK PRESSURE OPERATION

    • Install the supplemental refueling adaptor provided with the vehicle to open the capless fuel tank filler pipe.

    • Ignition ON.

    • Access the PCM and monitor the FTP_V (V) PID.

    Is Fuel Tank Pressure PID reading approximately 2.6V? 

    Yes  GO to  A4
    No  Install a new Fuel Tank Pressure sensor. REFER to: Fuel Tank Pressure Sensor and Tube .

  4. A4 MONITOR THE FUEL TANK PRESSURE WHILE FILLING THE FUEL TANK

    NOTE: Should increase slightly about 0.3V while filling.

    • Fill the tank while monitoring Fuel Tank Pressure voltage with the KOEO.

    Does the Fuel Tank Pressure voltage increase more than.7V while the slow fill condition is present? 

    Yes  Check the line from the canister to the tank and the fresh air hose from the vent solenoid for restrictions or blockages. If no concerns are found, replace the EVAP Canister. REFER to: Evaporative Emission Canister
    .
    No  GO to  A5

  5. A5 CHECK THE FUEL TANK FILLER PIPE ASSEMBLY FOR BLOCKAGE OR RESTRICTION

    • Inspect the fuel tank filler pipe and fuel tank filler pipe vent tube (if equipped) for a blockage or restriction.

    Is the fuel tank filler pipe or fuel tank filler pipe vent tube (if equipped) blocked or restricted? 

    Yes  If possible, REPAIR the blockage or restriction. If the blockage or restriction cannot be repaired, INSTALL a new fuel tank filler pipe or fuel tank filler pipe vent tube. REFER to: Fuel Tank Filler Pipe
    .
    No  GO to  A6

  6. A6 CHECK THE FUEL TANK INLET CHECK VALVE

    • Inspect the fuel tank inlet check valve for restriction or sticking.

    Is the fuel tank inlet check valve restricted or sticking? 

    Yes  If possible, REPAIR the restriction. If the restriction cannot be repaired, INSTALL a new fuel tank. REFER to: Fuel Tank
    .
    No  INSTALL a new fuel tank. REFER to: Fuel Tank
    .
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