P1139 Lincoln HO2S Insufficient Switching Bank 1 Sensor 2
Possible causes
– Faulty HO2S Bank 1 Sensor 2
– HO2S Bank 1 Sensor 2 harness is open or shorted
– HO2S Bank 1 Sensor 2 circuit poor electrical connection
– HO2S Bank 1 Sensor 2 harness is open or shorted
– HO2S Bank 1 Sensor 2 circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
Lincoln Vehicle:Lincoln Mark LT,Lincoln MKS,Lincoln MKX,Lincoln MKZ,Lincoln Navigator,Lincoln Navigator L,Lincoln Town Car,Lincoln Zephyr,