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Ford Truck
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1995
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F 350 2WD Pickup L6-300 4.9L
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Repair and Diagnosis
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Powertrain Management
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Exhaust Gas Recirculation
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Vacuum Check Valve
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Description and Operation
Vacuum Check Valve: Description and Operation
Vacuum Check Valve:
PURPOSE
The
vacuum check valve
blocks airflow in one direction and allows free airflow in the other direction.