Emission Control Systems: Application and ID
Engine V6-201"/3.3L
Fuel System SFI
DEVICES & SYSTEMS
CEC Computerized Engine Controls
EVAP [1] Evaporative Emission Control System
PCV Positive Crankcase Ventilation System
TWC [2] Three-Way Catalyst
[1] EECS is the manufacturer's acronym
[2] Oxidation Reduction Catalyst (ORC)