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...
As I stood next to the tanker that pumped 7000 gallons of DEF into a 7500 gallon underground storage tank, I asked how long would 7000 gallons last...seemed like a lot of DEF to me...the answer was that this new truck stop was the only one within 100 miles in either direction with DEF at the pump..."won't last long at all" is what the tank truck driver said...