GMC Workshop Service and Repair Manuals > R 3500 P/U 2WD L6-292 4.8L (1987) > Powertrain Management | Emission Control Systems | Early Fuel Evaporation ( EFE ) | System Information | Description and Operation | Page 1696

System Description|Page 1697 > < System Description|Page 1695

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Early Fuel Evaporation ( EFE ): Testing and Inspection

Fig. 43 Electrically heated EFE diagnosis chart. Except 4-119 engines

Powertrain Management
Emission Control Systems
Early Fuel Evaporation ( EFE ) / System Information / Description and Operation
Page 1696

System Description|Page 1697 > < System Description|Page 1695