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
Glad you got it straighten out. I have always ran my def down until the "Fill DEF" light comes on.
It is sitting just under 1/4 of a tank in the red with 1000 miles until the next oil change. Will fill it next week and then change the oil. Mine uses one tank every 10,000 miles or every oil change.
Don
It is sitting just under 1/4 of a tank in the red with 1000 miles until the next oil change. Will fill it next week and then change the oil. Mine uses one tank every 10,000 miles or every oil change.
Don
