P1073 OBD Code Definition:
P1073 Mass Air Flow Sensor 2 Signal Too Small
P1073 OBD Code Description:
Possible causes
– Faulty Mass Air Flow Sensor
– Mass Air Flow Sensor harness is open or shorted
– Mass Air Flow Sensor circuit poor electrical connection
– 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)