samhain7ExplorerNov 19, 2020Ram 2500 DEF fluidHi all I am on tank of gas # 6 on my new to me truck and thrnDEF fluid gage has barely even moved How long do you get on a tank of DEF fluid and how big is the reservoir? ThanksShow More
LearjetExplorerNov 20, 2020this video will answer and show you how the DEF gauge works https://youtu.be/czJZuc8ThhI
