To be certain, you'll need to:
* Consult a repair manual specific to your 2005 Dodge Grand Caravan 3.3L: This is the most reliable method. A Haynes or Chilton manual will have diagrams and clear instructions.
* Use an online parts diagram: Many auto parts websites (like AutoZone, Advance Auto Parts, etc.) allow you to look up parts diagrams for your specific vehicle. Find the diagram for your intake manifold, and the EGR valve should be clearly shown.
Without a visual reference specific to your vehicle, pinpointing the exact location is impossible. Remember to always be cautious when working on your vehicle's engine.