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Emission Control Systems: Application and ID
Engine 4cyl.-151"/2.5L
Fuel System TBI
DEVICES & SYSTEMSCEC
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)