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P0101 Diagnostic Trouble Code Discussion for March 2008

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2004 Chevrolet Silverado 1500 4.3L Misfire
P0101: MAF Sensor Performance. Hard misfire on cylinders 2, 4, and 6. Replaced worn cap and rotor plus fouled plugs. The engine did not change. I checked the fuel pressure, which was 58 psi (55-62 range), with engine running. All cylinders have good spark. Injector balance test showed less ...
March 06, 2008