Replace the transfer fuel pump.

[sbtrucking]

Truck died wile driving on highway, stopped and dindt want to start,
Transfer pump was not turning on with ignition on, checked the voltage pump was getting 12+volts. Losend up the front banjo bolt no flow.
Got a rentacar and located a pump, installed it started fllowing and still didnt start,
Losend up the front banjo bolt on the rail to test the regulator it was good no fllow,
Banjo bolt at the back of main pump was getting planty fllow, how ever primary rail very little perssure wile cranking, on insite the pressure was only 200psi wile cranking it should be thiusands.
Did few more tests, all this with over the phone help of {***}.
Towed it to dealer and the opened the pump cover plungers were shattered