Reviving Your Injection Pump A Journey from Malfunction to Flow

Also check for air leaks on the suction side of the pump. If you are using the glass bowl fuel filter, they are susceptible to warping where the ... 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 ... 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. Try pressurizing the fuel tank with an air hose, and use a rag to seal it. Are you sure the injection timing is correct? You need special tools ... Causes and Prevention of Diesel Fuel Injection Pump Failure · Cause: Incorrect Fuel - Even just putting petrol fuel in your diesel engine can ... 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, ... I think whats happening here is the pump is going into prime mode.But the ECM is getting an incorrect start signal which is shutting down the ECM. Then check there are no air locks in the system and the vent tube is not blocked preventing the pump from drawing fuel through to the engine. 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 ... Bleed the fuel system per the manual - if you have one. If the pump is indeed bad it can probably be rebuilt. A local shop was able to rebuild ...