Causes and Fixes P2272 Code: Oxygen Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 2)

[@stephenbuchholz3079]

Just replaced this sensor in July and back having this code again. I did see the wires had been up against the exhaust pipe just before the sensor when I did it in July so I made sure it was zipped clear of the exhaust tube. I'm getting no other codes other than she's gulping fuel...how do you check that the sensor itself isn't faulty outside the system? Do you hear that sensors from some 'zon suppliers are bad?

[@dejanmeki]

Does it affect fuel consumption drastically or not?

[@dannybrown2099]

What happens if I'm getting both a P2272 and P2099? Bank 2 Sensor 2 stuck lean but Post Cat Bank 2 too rich?

[@figgiefigueroa7372]

Thanks for sharing!!!!

[@dejanmeki]

I have 3.6 touareg as soon as put smaller flex pipes i got that code, no any exhaust leaks

[@xkimopye]

I’m getting 2272 and 2273. Meaning it is too lean and too rich, would it be likely that the sensor is no good?

[@HVAC_Mechanic]

Yes, it could be bad; I would test the Bank-2 Sensor-1 and be sure it is good. If the sensor test is good, then it can be difficult to diagnose rich and lean codes. I made a full video, here is a link to one. th-cam.com/video/b9__WGuD-dc/w-d-xo.html

[@xkimopye]

@@HVAC_Mechanic oh thank you

[@timothyvankralingen6151]

I'm getting p02272, p0171, p0174 on a 2011 chevy avalanche ls

[@krystlethigpen]

What about a p2272 followed by p0401

[@HVAC_Mechanic]

If the EGR valve is stuck open, that can cause a rich condition, usually not lean, but it may be possible.

[@stephenbuchholz3079]

But where is it on an 08 escape?

[@stephenbuchholz3079]

I found it by myself... Just realized you hadn't answered this inquiry? Hmmm

[@GoHardGamerz]

Shut up nerd