Mass Air Flow Sensor Plausibility Air Mass Too High

Test 1 - Test 4:

Test 5:

SYMPTOM
P2066-MASS AIR FLOW SENSOR PLAUSIBILITY AIR MASS TOO HIGH

WHEN MONITORED
With the engine running.

SET CONDITION
The ECM detects excessive air flow from the MAF Sensor.

POSSIBLE CAUSES
- Air filter
- Air restriction
- Checking for air leaks
- Mass airflow sensor
- Intermittent condition