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DTC P0103 - MAF SENSOR CIRCUIT HIGH FREQUENCY Chevrolet Tahoe I

Note. For circuit reference, see the appropriate WIRING DIAGRAMS article. For connector and terminal identification, see CONNECTOR IDENTIFICATION .

Circuit Description

Mass Airflow (MAF) sensor measures amount of air entering engine at a given time to determine fuel delivery. MAF sensor produces a frequency signal of 2000 Hz at idle to 8000 Hz at maximum engine load. DTC will set if MAF signal is greater than possible range of a normally-operating MAF sensor. DTC will set when the following conditions are present