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Pinpoint Test A: Slow To Fill

WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 CARRY OUT INSPECTION AND VERIFICATION 
    1. Yes  : REPAIR or INSTALL new components to correct the concern.
    2. No  : GO to A2.
  2. A2 CHECK THE SYSTEM FOR ANY EVAP DTCs 
    • Connect the scan tool.
    • Check the system for any of the following EVAP DTCs: P0446, P0451, P0452, P0453, P0454, P1450, P1451 and P260F.
    • Are any of these DTCs present? 
    1. Yes  : REFER to ENGINE CONTROLS - INTRODUCTION (EXCEPT DIESEL & HYBRID) (SECTION 0) to diagnosis the EVAP system.
    2. No  : GO to A3.
  3. A3 MONITOR THE FTP WHILE FILLING THE FUEL TANK 
    1. Yes  : GO to  A5.
    2. No  : GO to A4.
  4. A4 MONITOR THE FTP WHILE FILLING THE FUEL TANK WITH THE EVAP SYSTEM DISCONNECTED 
    1. Yes  : INSPECT the EVAP system for blockage or restrictions. REPAIR the blockage or restriction. If the blockage or restriction cannot be repaired, INSTALL new EVAP system components.
    2. No  : GO to A5.
  5. A5 CHECK THE FUEL TANK FILLER PIPE ASSEMBLY FOR BLOCKAGE OR RESTRICTION 
    • Remove the fuel tank filler pipe assembly. Refer to FUEL TANK AND LINES .
    • 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? 
    1. 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.
    2. 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? 
    1. Yes  : If possible, REPAIR the restrictions. If the restriction cannot be repaired, INSTALL a new fuel tank. REFER to FUEL TANK AND LINES .
    2. No  : INSTALL a new fuel tank. REFER to FUEL TANK AND LINES .
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