DEF Shelf Life!
Just a quick tip for those that are new to Diesels with all of the newer emission controls. DEF apparently has a shelf life and using anything other than DEF bought from the dealer may void your warr...
Forum Discussion
I don't know the correct answers to any questions about DEF but it is incredibly frustrating that the engineers of these systems could screw up such a great truck/engine. I absolutely love my truck and it's a dream to tow with but not so good when you are in Limp mode and a few hundred miles from home towing a 32 Ft camper. I hope others do not have to experience the same frustration that I did last week.
