There are usually two separate speeds sensors on a 1998 Dodge Ram. One is located on the rear of the automatic and one is located on the front of the automatic.
2, one before and one after the catalytic converter
2, Before & after the catalytic converter.
there are 4. one in each exhaust down pipe and one before and after the cat.
A 1997 Dodge Dakota has two oxygen sensors.
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).
It has four oxygen sensors.
The 5.2L has two oxygen sensors.
A 2007 Durango has four oxygen sensors.
1989 had about 5, 2013 has dozens.
THERE ARE 2