How to fix P2272 Code: Oxygen Sensor Signal Biased/Stuck Lean (Bank 2 Sensor 2)
A P2272 code is set when the Bank-2 Sensor-2 oxygen sensor reports a lean air-fuel mixture.
A lean condition exists if the engine is getting more air than fuel in the cylinders. (Air/Fuel Ratio is wrong)
P2272 code can be problematic since it can be caused by many things.
Causes of a P2272 code include a vacuum leak, fuel delivery issues, exhaust leaks, intake air leak, a faulty computer, bad oxygen sensor or other sensor.
Possible Causes of a P2272 Code:
Bad Oxygen Sensor
Wiring (Open Short)
Exhaust Leak
Lean Running Condition (Usually Will Have Other Codes)
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