Moderator: Freon
Lower your boost in that section... you're hitting 17.xx psi in that area. Also your KC drops to 7 and timing takes a big dive in that area as well. There's either something wacky with the fuel or you're getting det in that portion of the map. I'd be willing to say that the ECU is pulling timing. Drop your boost and see where you are. Could also be some kind of false knock sending the ECU for a loop. A slight side note... - or + A/F corrections of your amount is not a good sign and sometimes points to a bad primary O2 sensor... which could easily cause the issue you're describing.
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