The 2007 3500 4x4 I bought from Brown Dodge in Devine Texas produced tons of smoke from under the hood while filling up deer feeders at the ranch I have down at Woodsboro, since no dealers and the check engine light came back on and said see dealer I had to load up the lemon on a trailer and haul it 100 miles to the dealer I bought it from!! The smell was horrid and reminded me of a cat converter plugged up, by the way, last week the right front tie rod end let go at 73,000 miles down at the ranch in sand and we had a walk out due to it, it was out of stock in Corpus so had to order it in from a pleasesonton texas as a complete unit, since indivural parts were not available, remember to check your tie rods, the parts man at dodge told me this was a updated part due to many failures, thanks to God it let go at the ranch and not on the highway in traffic, the end had no grease zerk on it and was full of metal sand from not being greased!!! Another lemon episode as usuall and more downtime. !!!!