Honda P0138-Secondary HO2S Sensor Circuit High Voltage

Honda P0138

Honda P0138 Secondary Heated Oxygen Sensor HO2S Sensor 2 Circuit High Voltage Code P0138 Honda is DTC code indicating issue heated oxygen sensor circuit in bank 1 sensor 2. This means that the voltage output from secondary HO2S sensor is consistently above normal operating range. Fault Location- HO2S Sensor Sensor 2 Bank 1 Possible Causes … Read more