The reason the engine shuts off intermittently is probably a crank position sensor, this is an electronic part which mounts on the front of the engine. When this goes bad the engine will sometimes just not work, or will work sometimes but then just dies.
Fuel shut off is what happens when you turn the key off. The power to the fuel pump is cut which ends fuel flow to the engine.
There is no such engine as a Cummins 2500 Diesel.
pree ignition timing is advanced
From a crankshaft speed/position sensor.
one of the causes is bad low quality fuel
There are several causes for high fuel consumption in a diesel engine. These include a difference in the weight of the vehicle, increased usage of air conditioning, and a difference in tire pressure.
Blue smoke is burning oil.
dirty fuel filters for one !!
You eating the engine.
unburnt fuel
Dirty fuel filter
Diesel engines do not engine brake like gasoline engines do, so relatively speaking, the rate of deceleration would seem to be slower.
where is the cranksensor on 1994 chevy pickup with a 6.5 engine