Operation CHARM
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GMC Truck
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1983
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W Sprint/Caballero V8-305 5.0L
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Repair and Diagnosis
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Diagrams
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Vacuum and Vapor Hose Diagrams
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Emission Control Systems
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Early Fuel Evaporation ( EFE )
Early Fuel Evaporation ( EFE )
Fig. 15 Typical EGR/EFE/DS vacuum system. 1983-84 V8 gasoline engines less solenoid control:
