P1101 OBD Code Definition:
P1101 HO2S11 Sensor Circuit Voltage Too Low Air Leak
P1101 OBD Code Description:
Possible causes
– Faulty HO2S11 Sensor
– Exhaust leak near HO2S11 Sensor
– HO2S11 Sensor harness is open or shorted
– HO2S11 Sensor circuit poor electrical connection
– Exhaust leak near HO2S11 Sensor
– HO2S11 Sensor harness is open or shorted
– HO2S11 Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)