2007 Mitsubishi Endeavor P0137 - Bank 1 Sensor 2 - O2 Sensor Replacement

Today we replaced a failing O2 sensor in a 2007 Mitsubishi Endeavor. The code was P0137 which is a fault at Bank 1 Sensor 2. On this vehicle Bank 1 is the Firewall side manifold and Sensor 2 is the downstream Sensor. We found a good factory style replacement part Denso 234-4655. Follow along as this is changed out. It made our Check engine light go out after about 10 minutes of driving. Hopefully these steps can help you as well.

[@jesusmezquita7912]

Buen día tendras el número de parte del sensor #1 banco #1 que sea de la marca denso mismo vehículo

[@tornado-vi1sw]

Lo tengo

[@selder03]

I got the P0171 code
Bank 1 up srteam.
So is that front or rear?
Thank you

[@tornado-vi1sw]

Amigo soluvionasyes el problema????

[@videobymark]

Nice video. I have a 2011 Lancer SE that needs the rear 02 sensor. How do I know if I need a California or Non California emissions sensor, is there a visual clue? From what I've read the Cali and Non Cali sensors are different and have different plugs. Thanks

[@JustFixinGarage]

When I am not sure I usually do a vin lookup online to see if it tells me or contact the dealer with vin and they can usually answer . I don’t believe this vehicle had different options. I actually haven’t ever worked on one that had different 02 sensors for California just different catalytic converters or exhaust system . I’m sure it exists just haven’t ran into it yet

[@videobymark]

@@JustFixinGarage ok thanks for the reply

[@kevinlynch5925]

is the catalytic converter welded in?

[@JustFixinGarage]

I believe the catalytic converter on this is its own piece that bolts between the manifold and rest of exhaust. A factory replacement would likely have flanges on both ends for install.

[@Ruben-rh9cw]

That two oxygen sensor are the same, right?

[@Ruben-rh9cw]

Oh, and what size of tool do I need to remove the se sor?

[@JustFixinGarage]

They usually (almost always ) are different for upstream and downstream . I suggest an oxygen sensor wrench if you can rent one for your local auto parts store . The actual size is usually 22mm or 7/8 .

[@Amigo4evr]

Whaaaaaaat!!!??? I can't hear you! Can I hear you now? Nope.

[@JustFixinGarage]

I’ve since gotten better an equalizing the Audio a bit (kinda)

[@03abujas]

So much for 10 minute job

[@JustFixinGarage]

Hey Bob! run into a little problem getting the old one out?