WHEN FUELING THE VEHICLE FUEL HAS BEEN SPRAYING BACK OUT OF THE FUEL FILLER NECK IF THE FUEL IS PUMPED AT A NORMAL RATE. THIS HAS OCCURRED SINCE WELL BEFORE THE 1ST INCIDENT DATE. THE ONLY WAY TO KEEP THE FUEL FROM SPRAYING OUT IS TO PUMP THE FUEL VERY SLOWLY AND STOP. FUEL WOULD SPRAY ALL OVER ME, MY WIFE AND THE VEHICLE. WHILE TRAVELING ON THE INTERSTATE AND THE FUEL GAUGE REGISTERS 3/4 FULL AND WHEN THE VEHICLE IS GOING UPHILL THE VEHICLE RPM'S WILL DROP, THE THROTTLE BECOMES UNRESPONSIVE AND THE VEHICLE LOSSES SPEED. THE VEHICLE WILL RECOVER AFTER REACHING LEVEL GROUND. THE VEHICLE WAS TAKEN TO KIA AND NO PROBLEMS WERE FOUND. AGAIN WHILE TRAVELING FOR THE HOLIDAYS ON 11/24/10 AND 11/28/10 THIS INCIDENT OCCURRED AGAIN WHEN THE FUEL GAUGE REGISTERED 3/4 FULL AND IN HEAVY TRAFFIC ON I-65 ALMOST CAUSING VEHICLES TO RUN OVER ME DUE TO MY SPEED DROPPING ABRUPTLY. I REACHED THE NEAREST FUEL STATION AND FILLED THE TANK UP. THIS DOES NOT HAPPEN WHEN THE VEHICLE IS ABOVE 3/4 FULL. THIS DOES NOT HAPPEN WHILE DRIVING AROUND TOWN. THE PROBLEM WITH FUELING THE VEHICLE IS ALL THE TIME.