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  1. ECU Tuning & Performance Electronics
    I installed an IAG Street AOS on my 2013 STI a couple of weeks back and have been seeing high AF Learning 1 values since. I know I know, I probably didn't secure a vacuum hose, right? I smoked my intake tract using a halloween smog machine and probably took my intercooler and throttle body on...
  2. 2015+ STI Discussion
    so I had a built block and cobb stage 3 goodies and AOS installed and got a break in map as I'm cruising around my AFR is 14.7ish but my af learning 1 is going to -8 and beyond I have seen it get to -23 meaning its running rich and pulling fuel. I'll receive a P0000 ghost code and a P0300 random...
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