The camshaft position sensor was ultimately the culprit. After using a hand held scanner to check engine codes, problem was identified as a failed cps cam position sensor. Pulled off the side of the road and had to diagnose and fix problem myself on the road. The first failure occurred with ~125,000 miles on the truck. I had it towed to the dealer and the result of the breakdown was a cps, cam position sensor.
Both times leaving me in a very bad situation with a seven thousand pound truck with no power steering or braking. Models include E350, F350, F450 and F550 Super Duty models. This is a safety issue when traveling at highway speeds and loosing power and ability to control vehicle. Was told this is a common problem with this truck. On several occasions while driving approx. . I have contacted several Ford dealers and all they can offer is expensive diagnostics with no result.
Truck shut-off again in parking lot of a truck stop and would not start. The axle lubricant should be changed any time the rear axle has been submerged in water. Had to slowly pull vehicle over shoulder of road. Driving along towing a 21' goose neck stock trailer and the truck shut down. Fluid Type Application Application Cont'd. I had a cam position sensor fail while pulling my fifth wheel up la veta pass. It can cause serious accidents.
I attempted repeatedly to restart the vehicle with no luck. This is the third cps I have changed on this truck. After it was replaced the truck ran fine and has since. The vehicle was towed to the contact's residence initially and then to a dealership who determined the cam position sensor was defective. No power brakes or steering.
I also had to change the cps while lying on the ground with the truck halfway out in the road. The vehicle was very difficult to restart. At this point the vehicle became extremely hard to steer and the brakes were nearly useless. Pulled back out onto the interstate and after a few hundred yards it shut-off again. One other one was also on the side of the road. I have searched the internet and found this to be a common problem but nobody seems to know how to fix it.
It restarted after several attempts. Has had to replace it. When attempting to break, after realizing something was wrong, extremely hard to break. The axle lubricant should be changed any time the rear axle has been submerged in water. Because it is a known issue I had a spare in the glove box.
The contact had seen several complaints on the internet concerning this issue on this year, make and model of vehicle. I have not had any problems since but because this cps failure is a well known problem amongst Ford diesel truck owners I have purchased a second Ford sensor and keep in the truck as a spare to keep from stranding myself on the road. Had it towed to dealer. This can clog the fuel filters and starts with the corrosion of the tank caused by Bio-Diesel Fuel or Low Sulfur Fuel that is sold in service stations today. Pulled over to the side of the road, attempted to restart truck and it did. All other marks, names, and logos mentioned on this web site are the property of their respective owners. Many Ford Truck owners know that delamination of the diesel fuel tank can occur in 1999-2010 trucks resulting in a loss of power due to debris or silver flakes in the fuel tank.
Since loss of power, also had loss of power brakes and steering. Axle lubricant quantities should not need to be checked unless a leak is suspected, service is required or the axle assembly has been submerged in water. All parts listed are aftermarket replacement parts. Cars behind me became upset and would try to pass me under unsafe conditions as I tried to coast the truck to the nearest place to get off of the road. Truck started back up and continued on a several hour trip. There was no warning or anything, just cruising along at 55 then a dead truck with no power to the brakes or steering whatsoever.