1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

'85 GSL-SE Emissions - Air Control Valve

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Old Feb 19, 2008 | 05:34 PM
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'85 GSL-SE Emissions - Air Control Valve

My beloved '85 GSL-SE is running great, but just failed emissions in New Jersey. It doen't smoke, but the HC and CO were high. My research indicates that the problem is probably the air control valve. Does anyone know anything about these things? I was told that it could possibly be cleaned with carb cleaner...is that an option? Is it worth a shot to get a used one? The only new one I've seen is $387, so I'd like to aviod that if possible.

Any insight would be appreciated.

Last edited by RipCityJB; Feb 19, 2008 at 05:51 PM.
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Old Feb 19, 2008 | 05:40 PM
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From: https://www2.mazda.com/en/100th/
check it, its fairly simple. 2 vacuum diaphrams...
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Old Feb 19, 2008 | 05:54 PM
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Sorry, I'm not a mechanic...could you elaborate a little. Thanks.
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