P1109 Buick HO2S22 Sensor Circuit Voltage Too Low Air Leak

P1110 Buick HO2S Heating Circuit Bank 2 Sensor 2 Short To Positive

Possible causes
– Faulty HO2S Heating Circuit Bank 2 Sensor 2
– HO2S Heating Circuit Bank 2 Sensor 2 harness is open or shorted
– HO2S Heating Circuit Bank 2 Sensor 2 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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