Recently had my 2005 Ford F450 6.0 liter break down. Towed into Ford they diagnosed the high pressure oil pump. 2800$ later I pick up the truck and later on the truck dies with the same symptoms. Take it back to Ford he claims bad high pressure pump again. Saying it was probably a faulty pump. Get it back to my shop drive it that day for like 1 hour park it and go to restart and it just turns over. Towed back to ford now mechanic says its the front cover of the motor and the gears in the front cover. Replace that another 3000$ and he says this was the problem for sure!!!! Got truck back and the same problem again!!!! Now Ford says I need a new block because the camshaft is not keep up the pressure. I am very disappointed at this point and would really like another persons opinion on this matter. Thank you all in advance!!!