PUMPED THE PRIMER BULB TIGHT AS USUAL,,,STARTED THE MOTOR,,,,DIED LIKE WAS OUT OF GAS,,,,WENT TO PUMP UP BULB AGAIN AND IT WAS TIGHT,,,FELT LIKE IT HAD NO GAS IN THE BULB,ALMOST LIKE IT BACKFLOWED SOME AIR BACK INTO IT.,,,,,TANK VENTED FINE,GOT A NEW PRIMER BULB LINE,,,SAME THING,,,,,,,SUQEEZED...