On a 1998 Dodge Ram 1500, the EGR (Exhaust Gas Recirculation) valve is typically located on the intake manifold, near the rear of the engine. It is connected to the exhaust system via a pipe and has an electrical connector and vacuum lines attached to it. To access it, you may need to remove any components obstructing your view, such as the air intake duct.
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.
gas tank
It is part of the pump module in the tank.
The sensors on the valve body (inside the trans) are different. You will need to switch them.