LEMON Manuals
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GMC
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2002
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Jimmy 4D Utility, AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls Self-Diagnostics - 4.3L
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Diagnostic Tests
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DTC P0102: MAF Sensor Circuit - Low Frequency
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Conditions For Running DTC
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Conditions For Running DTC
The engine is running for more than 2 seconds.
The engine speed is more than 400 RPM.
The ignition 1 signal is more than 8 volts.
The MAF sensor frequency is stable for more than 1 second.