Ford P1149 OBD-II Trouble Code Definition: P1149 Air/Fuel Ratio Sensor 1 Circuit Range/Performance P1149 Ford OBD-II Trouble CodeDescription: Causes – Faulty Air/Fuel Ratio Sensor 1– Air/Fuel Ratio Sensor 1 harness is open or shorted– Air/Fuel Ratio Sensor 1 circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1149 ACURA OBD […]