Originally Posted by 135pats
E50, but the E85 here is sometimes more than E85 at the Shell stations that I frequent based on recent testing done by member @BoostAddict
who is a local, and works on my car.
I was thinking of just upping the scalar area of concern for bank 2. Previously I had gotten a mixture code out of the blue but it never came back, so I upped the scalar on both banks as suggested by @SteveAZ
. Bank 1 looks better than before but now that I am seeing bank 2 for the first time I see the reason I got the mixture code previously "