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Volvo 240 High Idling 200 1989

posted by  B.C. on  Wed Aug 31 00:51 CST 2011
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last visit: Wed Mar 28 22:28 CST 2012
[RELATED]

Check that the problem is not with the IAC, but allowing un-measured air to get in elsewhere.

If no air is getting in "illegally' then pinching off a hose to the IAC would kill the engine. Use a set of slip-joint pliers and gradually close off one of the hoses to the IAC. If the engine dies, it is the IAC. If it keeps running, though slower, it's a leak somewhere else.

Good Luck

Bob

:>)






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