LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1984 >> Jimmy 5.7 L >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> CCC Theory/Operation >> Operation >> Emission Control >> Notes

Emission Control: Notes

The ECM electrically controls the following emission control systems: the AIR Management System, Exhaust Gas Recirculation (EGR) system on 5.0L and 5.7L models only, the Early Fuel Evaporation (EFE) system on 2.8L models only, the Catalytic Converter and Evaporative Emission Control System (EECS) on 5.0L and 5.7L models only.