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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0102: Mass Air Flow Sensor Circuit Low Input Or DTC P0103: Mass Air Flow Sensor Circuit High Input >> Possible Causes
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Possible Causes

DTC P0102 is set when an excessively low voltage from mass airflow sensor is sent to ECM. DTC P0103 is set when an excessively high voltage from mass airflow sensor is sent to ECM. Possible causes are:

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