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Checking ICV... (archive)
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Posted by JamesM on March 29, 2001 at 08:55:58:

In Reply to: idle control valve M635 -86 posted by Anders on March 28, 2001 at 12:26:07:

Turn the key to position 2 (run). Does the ICV feel like it's vibrating lightly? Good. Turn the car off. Remove the ICV. Check the resistance from the center pin to each outer pin. Should be 20 Ohms each. Any less than 10 Ohms will fry your ICV circuit in the computer. There is no way to adjust the ICV, but you can set the base idle on US M-cars. I don't know if the same procedure works for Euro M cars.

James
james_535@yahoo.com
88 M5
88 M3

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