M Mandifetters New Member Joined Nov 7, 2021 Messages 1 Reaction score 0 Truck Year 2015 Nov 7, 2021 #1 Def gauge reads low and tank is full. Any ideas?
T Tremper126 Moderator Staff member Joined Feb 15, 2019 Messages 1,068 Reaction score 367 Truck Year 2014 Nov 7, 2021 #2 In tank level sensor failed maybe?