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P0102 Diagnostic Trouble Code Discussion for July 2014

Mass Airflow Sensor Circuit Low Voltage

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Trouble Ticket Help Requests for DTC P0102
Help Request Posted
2001 GMC Sierra 1500 SL 4.3L Hesitation, MIL Lamp on VIN: 1GTEC14W41
P0102: MAF Sensor Circuit Low Frequency. vehicle came in with lack of power and missing with miss fire code mas air flow at idle 7.91 g/s 2.05 volts ST b1-50 b2 0.8 LT b1 -9.4 b2 10.2 intermitten flashing service engine light
July 22, 2014