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Old 01-14-2021, 11:43 AM   #7
Scooby Newbie
Member#: 481754
Join Date: Feb 2018
Location: Beaufort, SC
2017 STi Base


I'm not a tuner by any means but from my research it seems like the issue happens when its cold and going from open to closed loop. I think during that period the ECU is "hunting" for the right AF and it takes a second to find it due to TGV's not being there.

I recently read something on PhatBotti's website that it was normal and could be helped but not always completely corrected. I'll try to find it again.
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Zak6182 is offline   Reply With Quote