The idle on this car is 1100 then after giving it some gas it the idle races. Putitn git in gear is a bit scary because of the idle speed.

The Idle control box looks really clean inside and appears to have no corrosion on the connectors. If I disconnect the connector from the valve nothing happens and there is no change in the idle.


I was not able to soak the valve overnight but alot of carbon came out of it when I hosed it down with carb cleaner.

It appears as if it is stuck open as I could see the slot from the side opening was not closed but I am assuming that it should be if there is no power being applied to the valve. Is this correct?

I know this subject has been talked about alot but I didn't see anything that explained how this unit operates.

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MB 72 250 M130.923 114.011 170k The Beauty