I sold the truck back to CarMax. Didn't want to deal with it again. I've also had a lot of issues with other trucks recently so I was just fed up with rentals.
I just bought a 2016 Ram 1500 Longhorn 3 weeks ago. This past weekend I smelled burning from the engine bay then check engine light came on. Pulled over, turned truck off and smoked started pouring from the engine bay. Dealer says the EGR valve stuck open causing excessive heat melting the valve...