Sorry if I am doing this wrong but I have never posted or used a forum before, i have used the search feature and can only find cps problems with my symptoms. I am at the end of my rope here beings I just bought the truck a month ago! My 99 7.3l runs ok until out of nowhere it will start to hiccup, and sometimes buck, it will also die sometimes but starts back up after turning it off and then back on. I have replaced the CPS twice in the last month one black one and one white/grey one. I have also replaced the icp, glow plugs and injectors. the truck is stock with the exception of the 160cc industrial injection injectors. but the truck had this problem before the new injectors so I have ruled that out. please help I have no idea where to continue from here. Also it does not matter the temperature outside or whether it is plugged in.