Lexus A.F.M. Yes/no

[koenigturbo]

I installed a Lexus a.f.m./ 550 injectors and no others mods yet? it has wiered miss fire at idle it like it has either a short in the coil pack or it runs like it has stuck valve but this a brand new engine it dosn't it all the time, it seems like it dose in warmer weather then I when to the supra a.f.m. it runs better(overall) seemily Don't know what to do,Lexus Yes/no?? to lean?? any one know?? or supra a.f.m...."yes/no?? to rich/ to lean I plan to do other mods later (bigger turbo and boost controll and exhaust