Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Fuel Pump Fails to Prime Intermittently › Reply To: Fuel Pump Fails to Prime Intermittently March 15, 2021 at 2:31 pm #989442 Richard KirshyParticipant If it is a bad winding in the fuel pump motor. Next time it fails to prime, using a rubber hammer, hit the bottom of the tank a few times then see if the pump then primes. If it does, you’ll need a new fuel pump.