Emission Control Systems: Application and ID
Engine 4cyl.-151"/2.5L
Fuel System TBI
DEVICES & SYSTEMS
CEC Computerized Engine Controls
EGR Negative Back Pressure Exhaust Gas Recirculation System
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)