I have a question for all you Ford Diesel Mechanics Our fleet has a 2004 F550 with the 6.0 Liter and it developed a miss when hot. I test drove it for 1/2 an hour without the trailer and Bobcat and it took that much time for it to start missing. It comes on suddenly like someone hit a switch. Before that it ran perfectly with tons of jam. It also smoothes out at 2000 rpm.
All the injectors have been replaced along with the EGR. The injection pressure is down 10 psi and I was informed that a low pressure will take out the injectors again eventually. I would love to hear from any mechanics or owners who have come across a similar symptom. Please leave your comment below...much appreciated!
