Hi guys, I hope you can delucidarmi on this thing, until now ? a map that I never really touched on but I'd like to know what the heck are these two maps that the ecm is calling me Correction gain butterfly transaction is positive and then negative transaction, I would like to know precisely these maps, what do they do? I thought it was the linearization of the module, tps, and then it would not be touched, but on some of the ecu already? mapped I ? happened to see them moddate..can you kindly enlighten me on what those maps and moddandole what to change? Thanks a lot to all