DEF Issues
I drove a RAM 2500 diesel for 12 years until I upgraded to a pre-owned 2014 3500 diesel earlier this year. I knew nothing about DEF when I bought the "new" truck in March. My first introduction to D...
Forum Discussion
I've never heard that before but thanks for posting so the rest of us can benefit. I generally let my DEF run down pretty low before I refill and I'll continue that going forward. I know sales guys are generally worthless but one of the things the salesman told me when I bought it was to run the exhaust brake as much as possible and I've done that, so that seems to be a common bit of advice.
