My car (325e) has recently started to idle pretty high at about 1200 rpm. It seems like this happens every winter, and I'm not sure why. The adjustment screw is turned all the way in on the ICV, and it hasn't really been touched sinced the summer when it ran fine. I first got the car in the winter a few yrs ago, and I had the ICV replaced with a used one because the idle was surging a lot. That fixed it. But every winter after that I would get a high idle and some very minor surging. Should I just replace the ICV? Or are there any other means of fixing my idle?
Thanks.
Thanks.
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