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Saturn
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2003
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L300
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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
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Diagnostic Tests
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DTC P0103: MAF Sensor Circuit - High Signal/Frequency
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Conditions For Running DTC
Conditions For Running DTC
DTCs P0121, P0122, P0123, P0221, P0222, P0223 are not set.
The engine is running for more than 0.5 second.
The ignition 1 signal is more than 11 volts.