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Great to hear you got it running. It would be interesting to see what the fuel pressure is between the pump and the injectors, and to see if its up to spec, which I have no idea what it is. But it could show a week pump, etc. I would have to research, but I believe there is a restriction on...

I just had to go back and read this entire thread again, and I would redress what I have written of late. I would make this comment. If it don't run on ether, it is mechanical and not fuel. The blower aint turning which was stated right up front, but rather rare, maybe. Or easier, the...

However, before I did all that I wrote above, I would take the inlet side of the pump and fill the hose with fuel and see if it runs. If it does than you have a fuel tank, filter or hose issue. You can gravity feed the pump by filling the hose. Not a high pressure system, the injectors make...

Here is the diagram for the pump, which is driven by the blower as stated above. I did not circle and draw the arrow ( got this of the internet), but if you take the front off the pump and can spin the gears, something broke. Also, with the cover off and the pump gears in place, someone could...

I am not very schooled on the 8V91, even though I owned one for a short time, but I do have excavator with a 4-71. So, pretty much the same, but split between to heads, etc. I am attaching a video that shows how to bleed a Detroit. Pretty straight forword. You could gravety feed the...

Slime don't care how old the filters are. The dozer had a small cartridge filter and the slime was easy to see, and it had plugged it up enough to not start, etc. Would start on ether and then die. It's a place to look. Gelling will look cream colored, slime dark, maybe black..

If it runs on ether, its a fuel problem. Change and top off the filters. Check for green/gray slim. We just had a bacteria issue with our dozer. It's nasty and you should see it in the filler. They make an addative to eat/clean the bacteria. It takes a long time to get rid of it, probably...