7th Apr 2011, 00:40

I had the same thing with my HD 2500 8.1, you need a new fuel pump.

11th Apr 2011, 12:35

Crank sensor.

6th Dec 2014, 21:22

The crank sensor needs to be changed, I changed it myself, but you need a lot of patience. It's on the back of the block where the engine meets the transmission. Be careful not to break it or you will be pulling the engine.