To be certain, you should:
* Consult your owner's manual: This is the most reliable source for the exact location on your specific truck.
* Look online: Search for "[Your Dodge Truck Year, Make, and Model] MAF sensor location" on Google Images or YouTube. Visual guides are very helpful.
* Check a repair manual: A Chilton's or Haynes repair manual for your truck will have diagrams showing the location of all major components.
Generally, it's a relatively easy-to-spot component, often a small black box with a wire harness attached. Be cautious when handling it, as it's a delicate sensor.