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Old 09-07-1999, 10:40 PM
Benzmac Benzmac is offline
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
If you are attempting to set the CO after the catalytic converter, that is your problem. The cat is eating most of the CO you are trying to measure and you are trying to get the mixture very rich to overcome the cat. Set the CO with a lambda meter.

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