Idle Air Control Valve (IAC Valve) cleaning (possibly)

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#21

01-18-2014, 09:33 PM

pierce

no mo volvo

Join Date: Oct 2010

Location: 37 North on the left coast

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the IAC is a on/off thing, its pulsed to modulate it. when its off, its closed, when its powered, its open.

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#22

01-18-2014, 10:42 PM

dnarby

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Join Date: Jun 2010

Location: New Haamp-sha

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Huh. Mine is sticking on in my '92 Regina.

Any idea what drives that signal?

Going to try a Bosch IAC tomorrow, for ****s and giggles.

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