It has no CEL on and the noise seems to stop around 1500 rpm. I believe it to be the imrv system. Any ideas on which of the 3 parts it is? the valves themselves? the actuator? or the imrc? as you can see in the video when i remove the imrc vaccum hose it disappears instantly.
http://www.youtube.com/watch?v=xnPHyR2F4qU&feature=g-upl&context=G267e63fAUAAAAAAAAAA
http://www.youtube.com/watch?v=xnPHyR2F4qU&feature=g-upl&context=G267e63fAUAAAAAAAAAA
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