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Old 06-07-2003, 12:18 PM
manny manny is offline
Registered User
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160

I am with you on that theory 100 %.
Smelly cats are usually high sulphur fuel, ignition misfires, or too much fuel.
Since his mpg is so good, your suggestion sounds right on the money.
2007 C 230 Sport.
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