Gas engine has two, diesel has zero.
2
No. The control solenoid and sensors are not the same.
Two sensors, and replace them.
1995-1999 3.9L, 5.2L, and 5.9L Dodge Ram 1500 has two O2 sensors. One upstream (before cat) and one downstream (after cat).
2. one before the catalytic converter and one after.
Engine, transmission, axles, exhaust, airbag. too many to list.
2 sensors
2
2
Counterclockwise to remove, clockwise to tighten.
2
It has four oxygen sensors.