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Old 11-15-2004, 06:05 PM
manny manny is offline
Registered User
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
What makes you think that you have vacuum leaks?
The high NOx would normally be caused by a suspect/defective EGR system.
Your HC & CO readings are very good.
Often, vacuum leaks are accompanied by elevated HC readings.
2007 C 230 Sport.
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