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P0102 Diagnostic Trouble Code Discussion for December 2015

Mass Airflow Sensor Circuit Low Voltage


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Trouble Ticket Help Requests for DTC P0102
Help Request Posted
2012 Ram 3500 ST 6.7L Cuts out, MIL Lamp on VIN: 3C63D3GL7C
P0102: Mass air flow sensor A circuit low. The codes set at the same time and the engine cuts out and runs rough for a moment then runs fine with the check engine light on. Scope tested the Mass air flow sensor and the sensor seems to be working correctly. The EGR by pass valve works until the code set...
December 04, 2015
2000 Porsche Boxster Roadster 2.7L Excessive Emissions, MIL Lamp on VIN: WP0CB2982Y
P0102: Hot Film MAF Sesor. Fuel Trim Issue, @ Idle both banks go +4.50% and Lambda High. (Maxed out). Smoke tested. Replaced Oil Separator & Mas Air Flow Sensor. Fuel Pressure and Regulator test. Disconnected and plugged Vacuum supply @ intake. Plugged off Brake Booster Supply. Com...
December 11, 2015