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International Automotive Technicians Network
Re: Fuel shutoff solenoid
Posted to HD/Fleet Forum on 3/3/2019

I have never seen a 3126 cat with a fuel solenoid. The ECM has switched and un switched power. Switched power turns on the ECM. The ECM allows injectors to fire and IPR to regulate high pressure oil to the injectors. What is the engine doing? is it a crank no ... Login to read more.