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P0161 OBD-II Trouble Code: HO2S Heater Circuit Malfunction (Bank 2 Sensor 2)
P0161 trouble code definition The P0161 trouble code identifies that there is a problem with the heater control circuit in the bank 2 sensor 2 oxygen sensor. What the P0161 code...

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Getting codes P0161 and P0325
Hello. Both codes indicate a circuit failure, and I suspect that the connectors were not properly reconnected after changing the valve cover gasket. These codes are not likely actual part failures. It is a very tight squeeze to get in...

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