A couple weeks back I got codes p1000 along with p0174 (lean bank 2) I cleared the code and was all good for 3-4 outings but than would come back on. I cleaned the maf, checked for vacuum leaks and couldn't find any. There is a small exhaust leak which is after the 02 sensors so I don't think that would cause any codes. Car is tuned for e85, does that have anything to do with it? Would that make things worse if I got that code on e85? I do have an afr gauge and at idle I get 14.7, during wot 11.x and the car runs very strong. The light shows up while coasting/light driving but doesn't seem to sputter or anything like that. After acceleration when I let off, it leans out up to 17+ but as far as I'm concerned that's normal. Any input would be appreciated
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Sent from my Pixel 3 using Tapatalk