there needs to be 35-45 psi at the fuel rail
Have it pressure tested and repair the leak.
The engine computer is also the regulator.
How cold is it. Most diesel engine do not responed properly when the engine and fuel is cold.
is the ecm on a dodge 2001, 2500 diesel hard to replace??
Yes.
On top of the engine block. You'll need to remove the inside engine cover
Yes.
They are inside the trans, on the passenger side of the valve body.
not without a lot of head aches.
Back of the block, next to the distributor.
The oil pressure sending unit is on the top rear of the engine, next to the distributor.
8X6.5