Mastering Fuel Injection Diagnosing and Repairing Injection Pump Pumping Issues

Disconnected fuel line by carbs to lower resistance, ticks continuously but will not pick up fuel. Took off fuel line filler cap, tried again. No luck. The mechanical fuel pump is not pumping at all, bowl is full, filter is full... took the pump off and tried moving the lever and it pumps fine. Verify the air filter is new. Try advancing the pump on high-hour machines. If the problem doesn't change, then verify supply and fuel quality. If that is good, ... The pump has to be turning for any fuel to come out of the lines. As it will run, I doubt a fuel issue also. As they are a gravity feed, only a plugged line ... Very much so about the injectors. The same fuel that is gummed up in the pump also has the moving parts of the injector gummed up. Doing only a ... I have a B7610 that is not getting fuel to the injectors. There is fuel at the filter and the mechanical fuel pump seems to be working. The fuel solenoid is ... Try flipping the on/off lever to see if it might free up. other wise the top of the pump has to be removed to free it. New fuel pump installed, still not pumping gas. Fuel bowls are empty on carb. Took out the fuel pump rod and it measures 3 1/16 with a tape measure. Take the solenoid out and remove the plunger so it lets fuel pass. Then reinstall without the plunger and start the engine and see if it runs. 1) Remove the sending unit from the tank and clean the pick-up screen. 2) Check the hose connection on the sender unit.