Dt466 Losing Fuel Prime - Losing fuel prime when set overnight. 2006 int 4300 dt466. Mechanic at my own shop Hello, i canโt get the pump to prime the lines. The hand primer it self works good. I put the fuel tank suction line in a bottle with diesel and all it does is blowing air in it instead of. I'm having fuel issues on my dt466 and i have no idea why. A few weeks ago the engine started and ran fine, no issues. A week later i tried starting it and i'm still trying 3 weeks. Turns out my hand primer pump is bad. Took it off, put it in a bucket of water and tested it. It pushes water out from under the plastic pump cap, which means it's not creating. Fuel should stop flowing, if it continues to dribble you have a bad regulator. More than once i have seen pieces of the rubber check ball in the presrceen filter stuck in the fuel. The fuel primer pump is not designed to be rebuilt but you can change the o rings if you want to spend the time. I recommend replacing the the primer pump. Finally, on the advice of my neighbor. Check the fuses in the battery box & under the hood on the driver side. There is a fuel transfer pump but it is only used to transfer the fuel from the secondary tank to the primary tank & will. Are you referring to you are losing your fuel system prime? If so, here are the things to check, fuel level in your tank, fuel lines for dry rot or cracking. Yes, you are losing fuel prime, i just gave you suggestions to check, don't rule them out, check them. The p0335 dtc is set once the powertrain control module (pcm) fails to detect proper. Was very hard to prime, but got it primed.
Losing fuel prime when set overnight. 2006 int 4300 dt466. Mechanic at my own shop Hello, i canโt get the pump to prime the lines. The hand primer it self works good. I put the fuel tank suction line in a bottle with diesel and all it does is blowing air in it instead of. I'm having fuel issues on my dt466 and i have no idea why. A few weeks ago the engine started and ran fine, no issues. A week later i tried starting it and i'm still trying 3 weeks. Turns out my hand primer pump is bad. Took it off, put it in a bucket of water and tested it. It pushes water out from under the plastic pump cap, which means it's not creating. Fuel should stop flowing, if it continues to dribble you have a bad regulator. More than once i have seen pieces of the rubber check ball in the presrceen filter stuck in the fuel. The fuel primer pump is not designed to be rebuilt but you can change the o rings if you want to spend the time. I recommend replacing the the primer pump. Finally, on the advice of my neighbor. Check the fuses in the battery box & under the hood on the driver side. There is a fuel transfer pump but it is only used to transfer the fuel from the secondary tank to the primary tank & will.