The EGR valve on a 1997 Dodge Ram 1500 is located on the
intake manifold. However, the exact position on the manifold varies slightly depending on the engine (3.9L, 5.2L, 5.9L). It's generally found on the
rear or passenger side of the intake manifold, near the back of the engine.
To be certain, you'll need to consult a repair manual specific to your truck's engine. A diagram will show you precisely where it is. Searching online for "[Your Engine Size] 1997 Dodge Ram 1500 EGR Valve Location" along with images will likely yield helpful results as well.
