Ok this has happened 3 times now? i have a 5-10 degree slope in my driveway if i pull my truck in front end facing the house after i start the truck and back out it cuts off? i get to driving down the street and it cuts off!, I've almost taken out neighbors mail box! anyway, it does this when the fuel is down to 3/4 of a tank, this is a 16 automatic 6.7 that i had a fass 95 gph and sump put it, now this happens when I'm down to 3/4 of a tank of gas? this should not do this? and yes it is deleted and tuned. tonight im backed in and ill see if it does it when i leave for work tomorrow, so any help would be appreciated, thanks