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Old 06-06-2010, 07:53 PM
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Is it possible for the ecm to adjust the air/fuel ratio due to the knock sensor (causing the o2 sensor to appear bad)?
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Old 06-07-2010, 08:10 PM
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no body?
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Old 06-07-2010, 08:18 PM
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no, the knock sensor will only cause the ecu to adjust timing. But if it pulls a ton of timing it will cause the O2 to read rich.
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