Thinking about Def
I know that this has been proven to be a much more reliable way to manage the emissions systems than on my 09' pre def Cummins for example but what happens in a couple of years when/if the manufacture...
Forum Discussion
Personally I worry about that stuff about as much as I did when the ulsd fuels came out in '07. I just put it in my '04 and keep on driving. It has not harmed anything yet on my '04 as I am still driving it.
