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P0102 - Mass Or Volume Air Flow Sensor A Circuit Low

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DTC DESCRIPTION P0102 - MASS OR VOLUME AIR FLOW SENSOR A CIRCUIT LOW

Description:  This DTC sets when during ignition ON, engine running the sensor output changes below a minimum calibrated limit for greater than a set period of time.
Possible Causes: 
  • MAF circuit short to ground
  • Damaged mass airflow/intake air temperature (MAF/IAT) sensor
Diagnostic Aids:  The presence of this DTC may indicate that the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning message has cleared from the instrument cluster message center.
Make sure the MAF/IAT sensor connector is locked and seated correctly.
Application  Key On Engine Off  Key On Engine Running  Continuous Memory 
All GO to PINPOINT TEST J .