Im having an issue with my 1jz. I have factory map, jzx90ecu (recapped by driftmotion). I am running a holset hx35, 3" exhaust 2 1/2" icp. At idle my afr go between 14.6 to 16 and sometimes hits 19. Wot in boost it keeps reading 13-15 afr wth???? Any ideas? Feel free to txt or call if u want to. My name is andy and my # 252-933-3242 thanks