99 Chieftain 5.9 Cummins wont stay runing
Engine was running with reduced power so I changed filters it seemed to not be picking up fuel so I changed lift pump same thing if I get system primed it will run for a few minutes then die if you p...
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I am a ship's engineer and have been a diesel guy forever (even before the license). What you are seeing is guaranteed to be an air leak in the fuel system before the lift pump. You say you changed the lift pump and some filters? Well, take it apart again and look for the poorly fit fuel line or the wrinkled gasket. If that low pressure side isn't perfect, it won't work...
Matt
Matt
