O2 Oxygen Sensors

[juppalgae]

I would like to replace all four O2 Oxygen sensors.

Genuine parts must be used? Anyone have used OEM parts, and what are the outcomes?

Thanks for your inputs in advance!

[chiefcorey]

There are a lot of posts on this subject even recent ones.... but.

For the most part, you can only find Bosch parts, which are OEM I believe. Also, only the two pre-cat ones are worth changing as they'll improve your fuel economy.

The two post cat ones don't do anything but measure exhaust and are the more expenise of the two types. If you throw a code for the post cat ones, then you should get around to changing it, otherwise don't bother.

You should be able to buy Bosch pre-cat O2 sensors for about $75 (US or CDN) at a reputable on-line auto parts store.