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Buick
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1987
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Riviera V6-231 3.8L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Early Fuel Evaporation ( EFE )
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Description and Operation
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System Description
System Description
This system is used to provide a source of rapid heat for quick induction system warm-up during cold engine operation. Rapid heat is more desirable because it provides for better fuel evaporation and a more uniform mixture.