Normal range is 30-70 psi
Minimum would be 7-12 at idle.
The oil pressure sensor is on the oil cooler, under the intake manifold.
You will need to run an oil pressure test with a pressure gauge.
Dodge Durango is not equipped with a fuel pressure switch
Back of engine, next to distributor.
Low oil Low oil pressure Failed oil sending unit.
5w30
5w30
5w30
5w30
5w30
The PCV value on a 2003 Dodge Durango is on the side of the oil fill shaft.
1.75 psi