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 wish one could default the exhaust brake to be on all the time. When towing it restarts in Tow/Haul but not exhaust brake.
DEF usage is related to the amount of fuel used. So when towing heavy it uses a lot more DEF. I wait until it is below 1/2 about an 1/8 of an inch and then put a box of Peak Blue DEF in from WM. The pre DEF 6.7 had a lot more trouble with the turbo exhaust brake not sliding back and forth.
DEF usage is related to the amount of fuel used. So when towing heavy it uses a lot more DEF. I wait until it is below 1/2 about an 1/8 of an inch and then put a box of Peak Blue DEF in from WM. The pre DEF 6.7 had a lot more trouble with the turbo exhaust brake not sliding back and forth.
