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post #2 of (permalink) Old 02-24-2002, 08:51 PM
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Re: Another EGR valve question...

Hope I'm not insulting you with this, but you know that at idle ported vacuum is nil, and it peaks when you open the throttle partly. So you will have to work the throttle to get it to open the egr. Or you could test it using manifoold vacuum, that should give you at least 25 HG of vacuum.

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