Emission Control Systems: Application and ID

Engine Fuel System
3.9L (239 cu. in.) V6 TBI (Dual Point)

DEVICES AND SYSTEMS

AIS Air Injection System
CEC Computerized Engine Controls
EVAP Evaporative Emission Control
EGR Back-Pressure Exhaust Gas Recirculation
HIAS Heated Inlet Air System
PCV Positive Crankcase Ventilation
TWC Three-Way Catalyst