Possible causes – Faulty Heated Oxygen Sensor Bank 1 or 2– Heated Oxygen Sensor Bank 1 or 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 or 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1031 CHEVROLET OBD Code Description Heated Oxygen Sensor (HO2S)
Tag: P1031
P1031 CADILLAC HO2S Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor Bank 1 or 2– Heated Oxygen Sensor Bank 1 or 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 or 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1031 CADILLAC OBD Code Description Heated Oxygen Sensor (HO2S)
P1031 BUICK HO2S Heater Current Monitor Control Circuit Banks 1 and 2 Sensor 1
Possible causes – Faulty Heated Oxygen Sensor Bank 1 or 2– Heated Oxygen Sensor Bank 1 or 2 harness is open or shorted– Heated Oxygen Sensor Bank 1 or 2 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1031 BUICK OBD Code Description Heated Oxygen Sensor (HO2S)
P1031 AUDI Intake Manifold Air Control Valve Position Sensor Specification Not Attained
Possible causes – Faulty intake manifold air control solenoid– Intake manifold air control solenoid harness is open or shorted– Intake manifold air control solenoid circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)