It is on the back of the engine, next to the distributor.
Just to the side of the thermostat housing.
Back of the engine, just to the passenger side of the distributor.
40 psi +/- 5
No.
They are the same from 1994 to 2002.
No
It is located on the back of the engine, just to the passenger side of the distributor.
No the 1999 and 2002 1500's are different body styles.
Hopefully (for you) just a bad oil pressure sending unit Install a manual gauge to actually check the vehicle's oil pressure
The valves on a 1999 Dodge Ram 5.2L are not adjustable.
I have never heard of a mixer on a dodge truck.
No