How to warm it up
Semi trucks when they freeze up, use to take charcoal and light a fire underneath the fuel tank. Check to make sure there aren't any leaks. If you have an old metal oil drain pan you can light the fire away from the truck and slide it under after it has burned down to coals...
I have been a diesel tech for many years, but have similiar problems with my 1993. I pulled out the crankcase ventilation tube from the air breather, and put two drops of gasoline before the turbo, this lets it fire right up. Mine starts good cold, but won't start hot, that's why I use gas, or...