PROBLEM: REPLACED A FUEL PUMP, TO FIND OUT IT WAS A BLOWN FUSE. NOW WITH NEW PUMP ON AND THE GAS TANK A HALF FULL, GOING RIGHT OR ON A RAMP THAT WOULD SWISH THE GAS IN THAT DIRECTION. THE CAR IS TURNING OFF. ALSO, THE PRESSURE WHEN REMOVING THE GAS CAP IS VERY NOTICIBLE. ANY SUGGESTIONS AS TO THE PROBLEM?