I ran a $1500. scanner from Snap on.What should be proper vaccum reading?is it possible to pressurize the intake manifold and vac ports to spot a leak?Or can I take a cigar and blow into vac line. My engine changed idle when I used a sprayer to check for leaks.But I don't know where

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1999 w140, quit voting to old, and to old to fight, a god damned veteran, deutschland deutschland uber alles uber alles in der welt