Due to CEL and associated codes, my Left Cat is being replaced. Is there any reasons to replace any/all O2 sensors at the same time? Are they at end of life, or should they just be tested are replaced upon failing test?
2008 XC70, 225,000 miles
Thanks for your advice.
Brian
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- 05 Jun 2017, 17:23
- Forum: V70, XC70 and S80 2007-2016
- Topic: Replacing Left Cat - O2 Sensors too?
- Replies: 2
- Views: 1365