Possible causes
– Faulty Mass Air Flow (MAF) Sensor
– MAF Sensor harness is open or shorted
– MAF Sensor circuit poor electrical connection
– MAF Sensor harness is open or shorted
– MAF Sensor circuit poor electrical connection
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1103 MAZDA OBD Code Description
Mass Air Flow (MAF) Sensor Inconsistent With Throttle Position (TP) Sensor