Eradicating Injection Pump Stagnation A Comprehensive Approach

Unbolt lift pump, leave lines connected, use large channel locks to depress plunger twenty or thirty times, look for plunger leak, listen for ... 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 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 ... In this video, we discuss how to troubleshoot a "No Start Hot" complaint for your Ford or Chevrolet application. You have of course opened the fuel stop-cock. One of the commonest problems is a tiny air-leak somewhere along the supply line before the pump, ... If you did have fuel coming out of the return line the supply side is probably working and there is a delivery issue. Likely problem areas would ... Check for air in the line between the tank, and the pump. Pump will not work if air is in the fuel line. Chech for air leakes in the line, and ... Short answer is no, it won't run if the fuel pump is not working. Longer answer, as the fuel tank is below the level of the carbs fuel need to ... It requires an amount of hydraulic "head" to prime the check valves and then to pump liquid uphill to the carbs. This is a positive displacement diaphragm pump. 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 ...