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Old 04-25-2003, 02:20 PM
manny manny is offline
Registered User
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160

Glad to hear you passed ( with a little " help ".
His explanation sounds reasonable, very rare, but I have seen it happen.
That also means your O2 sensor is not lying to you.
FYI, a good cat usually reduces CO by about 2-3 %.
2007 C 230 Sport.
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