2001 cummins 5.9 HO 6speed truck has a weak start but starts every time push in your clutch put it in gear and start to drive down the road runs and shifts fine through all gears coming to a stop light if you hold your clutch down to attempt to stop the truck gets an erratic idle and then dies or just dies with out the erratic idle i did experience water in fuel when I bought the truck. VP44 is almost new has a phatshaft 75mm turbo fass 220 snow meth kit it's not hooked up when I bought it but was previously hooked up. Head studs and fire ringed I'm kinda new to the mechanics of a diesel but do great with gasoline engines any help would be appreciated thank you and god bless