Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open or shorted– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine
Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open or shorted– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine
Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 harness is open or shorted– Air-Fuel Ratio (A/F) Sensor Bank 2 Sensor 1 circuit poor electrical connection – Faulty Engine
Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1155 Information for specific makes P1155 BUICKP1155 CADILLACP1155 CHEVROLETP1155 FORDP1155 GMCP1155 HYUNDAIP1155 LEXUSP1155 TOYOTAP1155 SCION
FORD Technical Service Bulletins for P1155 code 1996 FORD TAURUS UNKNOWN OR OTHER 1996 FORD TAURUS SHO UNKNOWN OR OTHER 1997 FORD TAURUS UNKNOWN OR OTHER 1997 FORD TAURUS SHO UNKNOWN OR OTHER
P1155 BUICK – HO2S Lean Average Bank 2 Sensor 1
P1155 CADILLAC – HO2S Lean Average Bank 2 Sensor 1
P1155 CHEVROLET – HO2S Lean Mean Bank 2 Sensor 1
P1155 GMC – HO2S Lean Mean Bank 2 Sensor 1
P1155 HYUNDAI – Limp Home Valve- Malfunction