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Symptom List: P2066-MASS AIR FLOW SENSOR PLAUSIBILITY AIR MASS TOO Test Note: All symptoms listed above are diagnosed using the same tests. The title for the tests will be P2066-MASS AIR FLOW SENSOR When Monitored and Set Condition: 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. P2066-MASS AIR FLOW SENSOR PLAUSIBILITY AIR MASS TOO LOW When Monitored: With the engine running. Set Condition: The ECM detects low air flow from the MAF Sensor. POSSIBLE CAUSES AIR FILTER AIR RESTRICTION CHECKING FOR AIR LEAKS MASS AIRFLOW SENSOR INTERMITTENT CONDITION 153 DRIVEABILITY - DIESEL |