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I’m using HKS SSQV now. Ya I was thinking that I possibly damaged it when replacing DP. I didn’t see any visual damages tho. I will be swapping it tomorrow morning to see if that is what it possibly is

Sorry i get that they will be fucked for a few seconds but here is my data log i was able to get on the way home. Best example of what is going on. But in this case it literally got stuck at 13.xx almost the whole log. Someone mentioned could be a sticky primary o2. I will be swapping it this...

I understand this but when i give it more boost around like 15-17psi and let off it tends to get stuck around 13.38-13.58 for a solid 15 or so seconds. When stopping on a light tends it sometimes will sit at 13.38 for like 5-10 seconds before jumping to15.xx then quickly settling at 14.7. I...

Looking for help diagnosing a weird issue with wandering AFR under light throttle. There is not an obvious vacuum leak causing this had already done boost leak test to 25psi. Started Happening after changing downpipe, catback and BOV. Year/Make/Model: 2010 Speed 3 Mileage: Body:148,000...

A bit late to the club but running into this exact same issue as you guys. Did anyone here end up finding a solid solution or possible problem that could be causing this. I had just replaced downpipe and full exhaust. Ran pretty good no afr issues till like 50 miles later. Then switched bov...