Fuel Injection Precision Troubleshooting Non-Pumping Injection Pumps

2- there is insufficient fuel going INTO the pump inlet.. ... #2- simply pull the inlet line off of the pump and let it drain into a bucket..& ... Bypass your current fuel supply, fully loosen injector lines and see if you get any squirting. ... Have someone crank the engine while you hold ... 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 ... It's pumping fuel through no problem at all but it won't stop pumping - even when the carb float bowl is full it still chatters away albeit at a slightly lower ... 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. Pump Won't Prime: Loosen the fuel filter (not water separator) while the PureFlow® product only is running. This will allow the air to be ... I'm told the one that won't suck may be due to a bad vane pump and the one with poor pressure may be due to a bad head. Both have high miles. - If the injection pump has a fuel solenoid, ensure that it is receiving power and functioning correctly. A faulty solenoid can prevent fuel ... Honestly for the 10 mins it takes to heck the locations of possible fuel pumps I would check to see if they are there. Check under the seats and ... Push a bottle of ATF or diesel purge through it. It might loosen the vanes up. You can run a higher pressure feed using the auxiliary fuel pump, ...