O2 censor

2001 VOLVO V70
173,000 MILES
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LISARAY34
  • MEMBER
  • 2 POSTS
I had my o2 censor change should I also have the down stream censor change also
Apr 25, 2013 at 1:42 PM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,414 POSTS
Nope. They perform totally different functions.
Apr 25, 2013 at 2:26 PM
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LISARAY34
  • MEMBER
  • 2 POSTS
So my the car still acting slugs
Apr 25, 2013 at 8:18 PM
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CARADIODOC
  • ✓Experienced Mechanic
  • 34,414 POSTS
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 5:08 AM
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