P1281 Citroen Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Citroen Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 Chrysler Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Chrysler Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 Cadillac Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Cadillac Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 Buick Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1282 Buick Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 BMW Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 BMW Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1281 Acura Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Acura Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…