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Chevrolet
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2003
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Silverado 1500 HD, 4WD
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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ENGINE CONTROLS - SELF-DIAGNOSTICS - 4.8L, 5.3L & 6.0L - Flex Fuel & Gasoline
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Diagnostic Tests
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DTC P0102: MAF Sensor Circuit - Low Frequency
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Conditions For Setting DTC
Conditions For Setting DTC
The PCM detects that the MAF sensor frequency signal is less than 1200 Hz for more than 0.6 seconds.