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Home >> Hummer >> 2009 >> H3T Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.7L - DTC P0013 To DTC P0315 >> DTC P0102 or P0103 >> DTC Descriptors
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC Descriptors

DTC P0102

Mass Air Flow (MAF) Sensor Circuit Low Frequency

DTC P0103

Mass Air Flow (MAF) Sensor Circuit High Frequency

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