Truck wont start

This is a common concern with this year model Ford diesel. There are several things to make the truck not start. There is a high-pressure oil sensor on the rear of the passenger side valve cover that if it fails won't let your engine start, there is a cam sensor on the front of the engine that if fails won't let your engine fire. Check all of your fuses and check the injector control module relay in the fuse panel under the hood. There are others that are best handled by ford, there is another high-pressure oil sensor down in the engine valley beneath the intake, the high-volume oil pump could of gone out, a high pressure oil line that if leaks won't let your truck start. the injector control module that if fails the replacement must be programmed to your trucks computer. Ford has a computer specifically designed to work on these trucks and they should beable to check your pump by looking at the oil pressures as it turns over. You can change the cam and the oil sensor on the valve cover yourself but they are expensive around $150.00 a piece and that may not fix it. I recommend taking it to the dealer and letting them looking at it. I know first hand that just throwing parts at it hoping to fix it can get expensive. Hope I was able to help you and answer your questions.