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P0156

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P0156 OBD-II Trouble Code: 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
P0156 trouble code definition Oxygen Sensor Circuit Malfunction (Bank 2 Sensor 2) What the P0156 code means The purpose of the oxygen sensor is to monitor the amount of oxygen present...

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Question
My check engine light came on. Took it to Autozone and they came up with this code PO156. What is that
Hello, thank you for writing in. A P0156 troubleshooting code stands for an error with the oxygen sensor. There are multiple sensors, and this one is behind (further towards the rear) the catalytic converter. Several things may be happening. First,...

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