Possible causes
– Faulty Mass Air Flow Sensor
– Air leak before or after sensor
– Mass Air Flow Sensor harness is open or shorted
– Mass Air Flow Sensor circuit poor electrical connection
– Air leak before or after sensor
– Mass Air Flow Sensor harness is open or shorted
– Mass Air Flow Sensor circuit poor electrical connection
When is the obd code mean?
The Engine Control Module (ECM) detected a Mass Air Flow (MAF) sensor signal above or below calibrated limit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)