O2 sensor replacement 2008 lancer evolution x gsr

This video will show you how to replace both the upstream and downstream O2 sensor in the 2008 Mitsubishi lancer evolution x gsr. Please like, comment, and subscribe!

[@danielchiu741]

Great video!

[@judesworld908]

So did you rid of the code after you change upstream and downstream o2 sensor?

[@danielchiu741]

Question? What O2 sensor did you use? I see them going from $130-$400

[@realtdkgaming2507]

Hi, I think the used O2 sensor is an aftermarket one, but the OEM part is from denso, type DENSO 149100