Ford P1146 OBD-II Trouble Code Definition: P1146 Mass Air Flow Sensor Supply Voltage P1146 Ford OBD-II Trouble CodeDescription: Causes – Faulty Mass Air Flow (MAF) Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI Related […]