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Pinpoint Test A: Slow To Fill

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
  1. A1 CARRY OUT INSPECTION AND VERIFICATION 
    • Carry out inspection and verification.
    • Was the cause of the concern found? 
    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, P1443, P1450, P1451 and P260F.
    • Are any of these DTCs present? 
    1. YES  : REFER to Introduction - Gasoline Engines article 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 
    • Disconnect the fuel tank-to-EVAP canister quick connect coupling at the EVAP canister. Refer to Quick Connect Coupling .
    • Monitor the FTP reference value while filling the fuel tank. Refer to Introduction - Gasoline Engines article.
    • Is FTP within specification? 
    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 & LINES article.
    • Inspect the fuel tank filler pipe and fuel tank filler pipe fresh air hose or recirculation tube (if equipped) for a blockage or restriction.
    • Is the fuel tank filler pipe or fuel tank filler pipe fresh air hose or recirculation 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. REFER to FUEL TANK & LINES article.
    2. NO  : Go to  A6.
  6. A6 CHECK TO MAKE SURE THAT THE FLVV IS FUNCTIONING CORRECTLY 
      NOTE: The Fuel Limit Vent Valve (FLVV), is mounted externally on the fuel tank.
    • Remove the FLVV. Refer to EVAPORATIVE EMISSIONS article.
    • Invert the FLVV. Listen for a clicking noise in both directions.
    • Was a clicking noise witnessed? 
    1. YES  : FLVV is OK. RETEST the system for normal operation.
    2. NO  : INSTALL a new FLVV. REFER to EVAPORATIVE EMISSIONS article.
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