Subject	CO (carbon) failure
Posted by	ski4life on October 28, 2011 at 4:46 PM
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Message	My 1990 300zx na has failed inspection twice due to the CO (carbon) being off (.27). Any suggestions of what can be wrong and what is the repair options. Do I need a new O2 sensor? Is there an adjustment? Thanks
Follow Ups	CO (carbon) failure - ski4life 16:46:19 10/28/11 Often times high CO can be caused by an exhaust restriction. - Draker (Eugene, OR) 19:03:55 10/31/11
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