[amidgeha]

Mass or Volume Air Flow (A) Circuit Range/Performance - Air

The Engine Control Module (ECM) monitors the Mass or Volume Air Flow "A" Circuit signal. The ECM sets the OBDII code when then Mass or Volume Air Flow "A" Sensor is out of factory specifications.

Cause:
Faulty Mass or Volume Air Flow "A" Sensor
Mass or Volume Air Flow "A" Sensor harness is open or shorted
Mass or Volume Air Flow "A" Sensor circuit poor electrical connection

Symptoms:
Check engine light