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02 sensor, which one do I replace? 850 1996

Hello.

I've been looking for a Volvo now for years and finally got one. 1996 850 Turbo wagon with about 117k miles on it. Of course, there are a few things I need to fix.
The 'Check engine light' is on and the local Autozone said it came up a code 133 'O2 sensor' and some cylinder misfire errors (hopefully related to the o2 sensor). Paperwork in the car stated an o2 sensor needs replaced as well. Anyway, when I asked about it at Autozone, they said there was a front one and a rear one. Which one should I change first, and where could I get the best deal on one?

Any help would be greatly appreciated.

Harry P.
(Dayton Ohio area)








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02 sensor, which one do I replace? 850 1996

Front sensor! try www.eeuroparts.com free shipping








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02 sensor, which one do I replace? 850 1996

to make a long history short......both.
Bosh

http://www.discountoxygensensors.com/store/default.php?cPath=85863_87562







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