Dt466 Losing Fuel Prime - 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. I should also add, recently replaced mechanical fuel. It turned out the โprime pumpโ went bad, was leaking air. Replaced the prime pump, running strong again. Also, on a dt, heui system, having low oil pressure might produce. Dt466 international motor replace injectors about a year and and replace metal fuel lines from primer pump to fuel pump 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. I always lose my fuel prime if i let the truck sit for more than a few hours. I replaced return lines, caps, and fuel filter. I am assuming i need to check the return line that goes from. 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'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.