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Ford Truck
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1997
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Expedition 4WD V8-281 4.6L VIN W EFI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Air Flow Meter/Sensor
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Description and Operation
Air Flow Meter/Sensor: Description and Operation
PURPOSE
The Mass Air Flow
(MAF)
sensor:
-
Sends the PCM a signal indicating mass airflow rate of air entering the engine.