Search Results for ‘af learning issue’

Recently changed the spark plugs and it drove great for a few weeks, then had to take about an hour trip and on the way back I got a CEL, it turned off Hillstart assist and Traction Control, and was flashing the sport mode icon. AF Learning was 25 and didn't move very much when speeding up or...

Hi guys, I have browsed through iwsti and nasioc for hours but could not find anything that was similar to my situation. I have a 13 GRF STI with a stock EJ257. I just added a Q300 catback and now my AF Learning is insanely negative compared to before the catback. It sits around -1.3% to -2%...

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...

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...