Will bad DEF fluid make p20 ee code come up
K Kirk 56 New Member May 24, 2021 1 0 Truck Year 2016 May 25, 2021 #1 Will bad DEF fluid make p20 ee code come up
C carlhenry Well-Known Member Nov 21, 2018 1,506 284 Truck Year Not Listed May 26, 2021 #2 how many miles could b clogged def injector bad cat or worn out engine