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Old 02-21-2003, 08:08 AM
mbdoc mbdoc is offline
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
On that car when the CO is high the most likely cause is the O2 sensor not controlling the mixture.
You also need to find out why the engine has a rough idle, that is also a reason for high HC's.
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