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Home >> Pontiac >> 1985 >> J2000/Sunbird L4-121 2.0L >> Repair and Diagnosis >> Powertrain Management >> Emission Control Systems >> Early Fuel Evaporation ( EFE ) >> Description and Operation >> 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.