Im having the same issue with my power fc sr20. Idles okay, afr a little rich (12) at idle, slight hunt, rpms dip and afrs spike lean just like your video. Is it possible its tuned to not use the iacv or use it disconnected from coolant?
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Originally Posted by Shirohige
Found out that i have a boostleak in my oil catch can. Does anyone know if that would cause the issues i have right now?
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Your catch catch shouldnt be seeing boost, only vacuum.