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P0101 Diagnostic Trouble Code Discussion for October 2014

Mass Airflow Sensor Performance

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Trouble Ticket Help Requests for DTC P0101
Help Request Posted
2003 Hummer H2 6.0L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 5GRGN23U13
P0101: MAF Sensor Performance. ... H2. Vehicle has a power loss issue that can be reproduced in the shop by putting the vehicle in park and accelerating up to about 3k rpm the CEL illuminates and reduced power shows on display. The code is always a p1514 sometimes accompanied with a p0101. ...
October 13, 2014