Emission Control Systems: Application and ID

CEC Computerized Engine Controls
MIL Malfunction Indicator Light
EFI Electronic Fuel Injection
EGR Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fill Pipe Restrictor
HO2S Heated Exhaust Gas Oxygen Sensor
PCV Positive Crankcase Ventilation
SPK Spark Controls
TWC Three-Way Catalytic Converter