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Old 10-16-2003, 11:56 PM
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sixto sixto is offline
smoke gets in your eyes
Join Date: Jun 2000
Location: SF Bay Area
Posts: 18,745
The one in my 91 300SE holds a vacuum.

As far as emissions testing, you probably won't fail a sniffer test, but most California tests include applying a vacuum to the EGR valve and checking for a dip in RPM. You might fail that part of the test if they do it where you live.

95 S420
91 300SE
87 300SDL
83 300SD
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