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Is this o2 sensor good or bad

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Old 07-24-2013, 02:47 PM
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Default Is this o2 sensor good or bad

Its chalky looking with what looks to be pinkish burn marks

Old 07-24-2013, 02:52 PM
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I say just replace it
Old 07-24-2013, 04:20 PM
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White deposits usually indicate engine coolant is entering the combustion chamber. Is your coolant staying up where it belongs or do you have to add coolant regularly?
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