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04-23-2014, 06:36 PM
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Registered User
Join Date: Aug 2010
Location: Ventura
Posts: 151
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Engine vaccum - 90' Suburban
Does anyone know what the engine vacuum should be pulling at idle, at sea level? Im trying to solve a puff from my exhaust, and checking the vacuum for a possible intake leak, but cant find anything on the web for what the factory vaccum reading should be. At the moment the engine is pulling 18psi at operating temp in park. Thanks!
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| intake leak, misfire, psi, vacuum |
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