P0138

The vehicle, a Porsche Cayenne E3, is displaying a P0138 code, which indicates an issue with the oxygen sensor circuit, specifically that the sensor signal is too high.

The vehicle is experiencing a P0138 diagnostic trouble code (DTC), which indicates that the oxygen sensor circuit for Bank 1 Sensor 2 is reading a high voltage, potentially leading to poor fuel economy and increased emissions in the 2018-present Porsche Cayenne E3.

The vehicle, a Porsche Cayenne E3, is displaying a P0138 code, which indicates an issue with the oxygen sensor circuit, specifically that the sensor signal is too high.

The vehicle is experiencing a P0138 diagnostic trouble code (DTC), which indicates that the oxygen sensor circuit for Bank 1 Sensor 2 is reading a high voltage, potentially leading to poor fuel economy and increased emissions in the 2018-present Porsche Cayenne E3.