DEF - Usage
Just on my maiden voyage with my 2014 Ram 3500 Diesel pulling 13,500lb 2009 Cardinal 34'. Pulls like a dream very nice to drive however after 1,000 miles I have gone through 1/2 tank of def, 2.5 gals...
Forum Discussion
spoon059 wrote:
...Your truck runs cleaner and gets better fuel economy for a minimal expense of adding DEF. Fill it up and enjoy the drive!
Explain how DEF has an impact on fuel economy?
