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P0101 Diagnostic Trouble Code Discussion for January 2022

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2011 Chevrolet Traverse LT 3.6L MIL Lamp on VIN: 1GNKVGED1B
P0101: Mass Air Flow Sensor. ... accelerates strongly. But the fuel trims go up past 40 at idle on both banks. Fuel trims are in positive single digits when cruising. When the P0101 and C0561-71 codes are cleared, they come back after a few miles of driving, and they come back at the ...
January 11, 2022
2006 Chevrolet Silverado 2500 HD LT 6.6L MIL Lamp on VIN: 1GCHK292X6
P0101: MAF Sensor Performance. followed test procedure and found MAF readings very high at idle with EGR on or off. Smoke tested for air leaks, none found. Replaced MAF, no change. The info we are looking at suggests that the MAF readings will be high with a leak after the turbo. I don'...
January 18, 2022