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What is the meaning of OBD-II p0151 code , and what are the possible causes and how to solve this issue?
The OBD-II code P0151 stands for Oxygen Sensor Circuit Low Voltage (Bank 2 Sensor 1) and indicates that the oxygen sensor circuit has a low voltage output. This fault can be caused by several issues, such as an open or shorted wire in the circuit, a failed oxygen sensor, a problem with other related sensors, or an issue with the PCM or ECU. Potential causes of this code may include damaged wiring or connectors in the circuit, a faulty oxygen sensor, a problem with sensors such as the mass airflow sensor or throttle position sensor, and an issue with the PCM or ECU. Solutions to this issue may include repairing any damaged wiring in the circuit, replacing any damaged connectors, replacing the oxygen sensor if it has failed, testing and replacing any sensors that may be causing the issue, and reprogramming or replacing the PCM or ECU if necessary.
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