Unlocking Engine Performance Injection Pump Repair for Pumping Recovery

Make certain that the flex hose at the fuel tank does not have a crack(s). A crack will allow the pump to draw air into the line and result is ... Unbolt lift pump, leave lines connected, use large channel locks to depress plunger twenty or thirty times, look for plunger leak, listen for ... Run the starter long enough to turn the pump (hopefully nothing is stuck internally....) enough to purge out all the old fuel from the pump and ... The fuel pump relay energizes from pulses coming from the ignition module, so if its generating pulses the fuel pump is pumping. Not 100 ... Disconnect the line that attaches to the fuel pump right on the top of the tank and see if fuel is being pumped to that point. I just installed a mechanical pump on my 350, and nothing is pumping out of it, brand new output line, the filter is new as well and sits right before the ... Assuming the connector at the pump is ok – these are known to corrode and fail, so be sure about that – then the pump must be binding or getting ... Try backing out the bolts on the pump side. If it works, then you'll need to pull the pump and make sure you didn't bend the push rod. If the spring breaks or the piston gets stuck the pump can get stuck in prime mode. Not sure if that's your problem but it's easy to check. The Boating Forum - fuel pump not pumping fuel - Well I have a 1998 johnson 225 with a VRO fuel pump, I recently rebuild the pump with the two recommended ...