When it gets REALLY cold, about 9deg.F, my CEL comes on. I believe it's because of my ABD Qflow. Any thoughts on why though? I might have to switch to stock during winter and open filter during summer.
2000GTI: Do the temperatures go down to 9 Deg.F over there? Lower/Higher?
Just wondering if it's temperature related that's all. I drove with the QFlow for quite a while and it only just started when the temps dipped.
I don't think they go that low maybe with wind chill. When I drove cross country over the winter I went through the Rocky Mountians and it was probably close to the single digits and I never got a CEL.
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