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Don't remember replacing OX sensors, maybe 70k miles ago. 850 1995

posted by  Three5bangers on  Fri Sep 24 10:30 CST 2010
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last visit: Thu Jan 17 20:50 CST 2013
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I had volvo do the 30K tune-up , but did subsequent spark plug and rotor changes myself. Should I have them replace the OX while they are replacing the muffler?

5 speed, and an early '95 purchase in Dec 94.








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Don't remember replacing OX sensors, maybe 70k miles ago. 850 1995

posted by  tmannian on  Fri Sep 24 16:23 CST 2010
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Unless you're flush with cash don't have them do this. Its as easy to change these as spark plugs, maybe easier.. You'll also save on parts if you get it as FCP as opposed to the dealer.

Now don't preemptively change the O2 sensor, wait till it fails, you'll get a code.








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Don't remember replacing OX sensors, maybe 70k miles ago. 850 1995

posted by  KlausC on  Fri Sep 24 14:57 CST 2010
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No. The O2 sensors are in the down pipe and just on the backside of the CAT.

If the O2 sensors are original and the down pipe needs to be replaced, that is the time to repl the O2 sensor - front only?

Klaus







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Don't remember replacing OX sensors, maybe 70k miles ago. 850 1995

posted by  someone claiming to be ksg on  Fri Sep 24 10:50 CST 2010 [RELATED]

Not unless you have a diagnostic code related specifically to one of the ox sensors.







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