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Buick
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1987
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Century L4-151 2.5L VIN R TBI
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Early Fuel Evaporation ( EFE )
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Vacuum Check Valve
Vacuum Check Valve
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Description and Operation
Early Fuel Evaporation Check Valve (EFE-CV)
Early Fuel Evaporation Delay Valve (EFE-DV)
Testing and Inspection
