1.Determine what Year Model the truck is 2003 and 2004, usually these years have most of the problems with High Pressure Oil Pump leaks. 

2. 75% Its the IPR Verify IPR screen for damage. This part is located near the firewall right next to Turbocharger Up-Pipes they sell a special tool to remove IPR.

3. Best Bet is to connect a OBD Reader.

4. DTC too look for is " Injector Control Pressure Too Low - Engine Cranking. DTC 2291. 

5. Any FICM related codes will either help to a crank no start or running rough condition.

6. You are also looking for CMP & CKP Sync and FICM Sync truck should start running.

7. There is a lot of conditions for a crank no start if you feel the task is overwhelming give us a call or set up a appointment.