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Home >> GMC >> 2003 >> Jimmy 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 4.3L >> Diagnostic Tests >> DTC P0103: MAF Sensor Circuit - High Frequency >> Conditions For Setting DTC
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Conditions For Setting DTC

The PCM detects that the MAF sensor frequency signal is more than 12,000 Hz.