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Old 07-29-2009, 01:46 PM
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SoCal LS-L SoCal LS-L is offline
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Join Date: Sep 2008
Location: Reno, NV
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Re: How is an EGR stuck open/closed code set?

Question: Does anyone know if the vacuum to the EGR valve itself is supposed to be constant or modulated? The vacuum TO the vacuum control valve is constant, but from the VCV to the EGR the vacuum modulates and is not nearly as strong.
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