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P0101 Diagnostic Trouble Code Discussion for March 2015

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2007 Chevrolet Express 3500 6.6L MIL Lamp on VIN: 1GBJG316X7
P0101: MAF Sensor Performance. ... to read this. this truck will set the P0101 code soon after start up. COLD idle ECT 62 degrees F,Maf 43.67 g\s,4359 Hz. Warmed up ECT 169f, Maf 30.05 g\s 3795 Hz. Maf g\s with EGR commanded 40% 15 g\s. I am leaning towards the EGR being stuck open a bit if...
March 06, 2015