New Holland Boomer 37 in DPF Shutdown Mode

[51allis]

"I would do this because I don't want there to be rich starting situation while waiting for the glow plug to energize and having the key on."

Is that a thing? Wouldn't it just pump back to the tank?

I'm not sure the electric pump is even needed. In the manuals it's part of the after-burner system and not shown on the start circuit diagrams. One guy on the youtube video commented he had to disconnect the pump to keep his tractor running.

I'm not sure either but I would rather err on the side of caution....you know how that goes. The simpler that the tractor can be the less worries etc. because I cannot send to the dealer now for other non ecu repairs, with the emissions gone they would definitely say something etc. As for disconnecting the electric fuel pump, I tried to start my tractor without it connected and it wouldn't run, when I connected it electrically, it ran.

 

[Craigercj]

I'm not sure either but I would rather err on the side of caution....you know how that goes. The simpler that the tractor can be the less worries etc. because I cannot send to the dealer now for other non ecu repairs, with the emissions gone they would definitely say something etc. As for disconnecting the electric fuel pump, I tried to start my tractor without it connected and it wouldn't run, when I connected it electrically, it ran.

I tried that yesterday and it ran fine but maybe there was still enough pressure/prime for the injector pump to pull up the fuel. Probably best to have a lift pump anyways.