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AF Learning numbers at Idle over +20!!!

5136 Views 7 Replies 3 Participants Last post by  G3lin
Hey guys, My 2017 WRX is Running a Stage 1+ 93octane tune. With a Cobb Big SF intake. My AF learning numbers often times after driving even short distances at idle Spikes to +20?? Why is this happening?
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Do you have the Stage 1+ Big SF tune, or just the normal stage 1 tune?
Stage 1+ Big Sf Tune. Runs great! But the AF Learning spikes are making me nervous
How many miles on the tune? Give it some time to learn if you just flashed it.
I have about 100 miles on it since I flashed it on Friday to The Stage 1+ tune. All my Logs look good 3rd gear 2500 rpm to 7000. So i should just chill and let it learn?
If your logs look good, I wouldn't worry about it.

If you're worried, try emailing Cobb support.
Ok. Thanks. Makes sense to me that the AP/ECU would need some time to learn the new map. I will keep watching this week
Ok. Thanks. Makes sense to me that the AP/ECU would need some time to learn the new map. I will keep watching this week
Sorry for bringing this up but what was your issue/fix. I am having a very similar issue after the cobb big sf and perrin charge pipe that I cant figure out
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