P1103 Opel HO2S Heating Circuit Bank 1 Sensor 1 Voltage Too Low
Possible causes
– Faulty Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
– HO2S Bank 1 Sensor 1 blown fuse
– HO2S Bank 1 Sensor 1 harness is open or shorted
– HO2S Bank 1 Sensor 1 circuit poor electrical connection
– HO2S Bank 1 Sensor 1 blown fuse
– HO2S Bank 1 Sensor 1 harness is open or shorted
– HO2S Bank 1 Sensor 1 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Opel Vehicle:Opel Meriva,Opel Astra,Opel Corsa,Opel Zafira,Opel Omega,Opel Calibra,Opel Vectra