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The truck was off and the two codes it’s giving me is
P207f
P203f
P207f is reductant quality performance
P203f is reductant level low
If I drain the tank and put some peak do you think it will clear up the check engine light
I have a 2018 ram 2500 6.7 44000 miles went to the truck stop and filled up with diesel and def both tanks were between empty and a quarter tank when I left the truck stop I got the message but no count down to Limp mode has anyone else ever have this problem and how to fix thanks