O2 censor

2001 VOLVO V70
173,000 MILES
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LISARAY34
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I had my o2 censor change should I also have the down stream censor change also
Apr 25, 2013 at 8:42 PM
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CARADIODOC
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Nope. They perform totally different functions.
Apr 25, 2013 at 9:26 PM
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LISARAY34
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So my the car still acting slugs
Apr 26, 2013 at 3:18 AM
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CARADIODOC
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Not sure what that means but oxygen sensors report on the condition of the exhaust gas. They aren't the cause of running problems.
Apr 26, 2013 at 12:08 PM