It is the small plastic elbow that is on the top of the valve cover.
A 1998 Dodge Ram does not have EGR.
Yes
It is part of the pressure transducer inside the transmission, on the valve body.
It doesn't have an EGR.
It doesn't have one.
You don't have a heater control valve for this truck.......
The EGR valve was not needed. Dodge was able to meet emission requirements by fuel and timing control.
The 1998 Ram does not have EGR.
It is part of the pump module in the tank.
gas tank
The sensors on the valve body (inside the trans) are different. You will need to switch them.
Top of the valve cover.Top of the valve cover.