Mass Air Flow Sensor Plausibility Signal Ratio Too Large

Test 1:

Test 2:

SYMPTOM
P2068 - MASS AIR FLOW SENSOR PLAUSIBILITY SIGNAL RATIO TOO LARGE

WHEN MONITORED
With the ignition on.

SET CONDITION
The ECM detects a rationality problem with the MAF Sensor.

POSSIBLE CAUSES
- Mass airflow sensor
- Intermittent condition