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Idle control valve 540i (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Gregg on October 26, 2000 at 21:42:08:

How does the idle control valve actually work? I am assuming it is a solenoid type valve which modulates (or is it two position) based on the position of the throttle. If so does it close when the throttle is open or is it vice versa?

Any help would be appreciated. I am trying to troubleshoot a bad idle and a slight miss in higher rpms on the motor.

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