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GMC Truck
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1987
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Safari Van M L4-151 2.5L
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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 )
Early Fuel Evaporation ( EFE )
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Description and Operation
System Description
Electrically Heated EFE System
Vacuum Servo EFE System
Testing and Inspection
Service and Repair