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Ford
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1990
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F 150 2WD Pickup L6-300 4.9L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Description and Operation
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Vacuum Related Components
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Regulator (2-Port)
Regulator (2-Port)
2-Port Vacuum Regulator:
The two port vacuum regulator provides a constant output signal when the input signal is greater than a pre-set level. At a lower input vacuum, the output equals the input.