Honda P0137-Secondary HO2S Sensor Circuit Low Voltage

Honda P0137

Honda P0137 Secondary Heated Oxygen (HO2S) Sensor Circuit Low Voltage Code P0137 Honda is DTC code indicating issue with (HO2S) oxygen sensor circuit. The HO2S sensor is responsible for monitoring the amount of unburned oxygen level in the exhaust system. So that engine control module can adjust air/fuel ratio accordingly. Low voltage output below the … Read more