Def gauge reads low and tank is full. Any ideas?
M Mandifetters New Member Nov 7, 2021 1 0 Truck Year 2015 Nov 7, 2021 #1 Def gauge reads low and tank is full. Any ideas?
T Tremper126 Moderator Staff member Feb 15, 2019 960 348 Truck Year 2014 Nov 7, 2021 #2 In tank level sensor failed maybe?