http://www.examiner.com/article/usin...appy-customers
He used a good example in there. Its like taking a test and passing with a 71 or failing with a 69. Mode 6 tells you by how much you are setting or not setting a code. I think what you posted seems to be for o2's but I am really uncertain. Hell it could be for the rear o2's and it could all be failing because its tuned out. Its not my forte, its just my thoughts.