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Old 11-08-2008, 12:17 PM   #40
BigAls87Z28
 
Join Date: Jul 2004
Location: West Long Branch
Posts: 13,598
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I wonder what GM did to remove EGR on the newwer cars?
I always thought that EGR was to return a small amount of exhaust gas into the chamber to help recombust unburnt fuel, as well as lower emissions.
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