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I've got this sneaking suspicion that my fast idle wasn't that the AAR was too cold but that the AAR is stuck open. When I ran the engine most recently, I plugged up the AAR except for a tiny opening, and the idle slowed down but the car did not seem to want to stall. Before, when I ran the car for 20 minutes, there was no change in idle speed due to the AAR closing, and there was still a very strong vacuum in the AAR hose. I put an ohmmeter to it, I got a reading of 14 ohms between the wire and the body of the device. There's other tests I'd like to perform, such as applying 12V to it on a bench and seeing if the rotary valve turns. Since I have an automatic, it doesn't seem like I can realistically open this one up and see if I can free it inside. Thoughts? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~