Hey guys im a really paranoid person so if i see the afr go anywhere near where its not supose 2 i panick and i look at it 24/7 while i drive every once in a while i feel a little sputter while normal driving never have while wot is that normal with aem ems? and my afr would sit at 14.7-15.3 while at idle now its at 14.3 most the time and sometimes when i get on it afr's only drop to 13 but most of the time they drop to the 11's so if you guys could tell me what are some bad signs of something going bad or anything i should worrie about or shouldnt worrie about that would be awsome ha sorry for the stupid questions thanks ahead of time