FUEL FILLER OPENING DOES NOT PROVIDE VENT WHEN ADDING GASOLINE. NOZZLE SHUTS OFF REPEATEDLY WHEN ATTEMPTING TO ADD GAS. WHILE ATTEMPTING TO INVESTIGATE, FINGER BECAME LODGED IN FUEL FILLER OPENING FLAP (IT HAS A SMALL OPENING NEAR THE BASE, WHERE IT ATTACHES TO THE PIPE), FIRE RESCUE PERSONNEL NEEDED TO CUT OUT FUEL TANK FILLER PIPE TO EXTRACT MY FINGER.