Idle control

MERCURY SABLE
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JOJORICARTE
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My car is 1996 Mercury Sable. 189000 miles. I recently replaced the Idle Control Valve. But I am still having idle control issues. RPM jumps up and down intermittently. Any suggestion?
Jun 11, 2007 at 6:55 PM
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SERVICE WRITER
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possible vacuum leak. Any codes in the computer?
Jun 11, 2007 at 7:52 PM
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JOJORICARTE
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Will a possible vaccum leak show up in the computer?

Nothing showed in the computer prior to replacing the idle control valve.

Thanks.
Jun 12, 2007 at 5:02 PM
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SERVICE WRITER
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It could, typically showing a lean condition.
Jun 12, 2007 at 5:44 PM