2005-2008 FORD F-250, F-350 SLOW FUEL FILL MIL ON WITH DTC P0191

download ISSUE Some 2005-2008 F-Super Duty 250/350 vehicles equipped with a 5.4L 3V or 6.8L 3V engine may experience premature automatic shut off of the fuel fill nozzle, or repeated fuel shut off at the fuel station delivery nozzle with malfunction indicator lamp (MIL) on with diagnostic trouble code (DTC) P0191. Vehicles operated in muddy [...]