Ok i been having this problem at full throttle if you keep it to the floor it will die out like if you were to shut the truck off thin come back could it be a bad lift pump with all the fuel puting to it or also maby a hose sucking shut the air intake on my ats twins has a rubber elbow to a plastic pipe thin to the filter i checked all the air hoses put can't find anything and allso it wont do this when its cold just hot
Plez help have lost a lot of races lol

 

To me sounds like a fuel pump.

 

http://www.cumminsforum.com/forum/94...-12-valve.html