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Ford
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1992
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F 150 4WD Pickup V8-351 5.8L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Air Injection
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Testing and Inspection
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TS12 - Visually Inspect Air Supply Control Valve
TS12 - Visually Inspect Air Supply Control Valve
Diagnostic Test TS12:
Normally Open Bypass Valve Without Vacuum Vent:
