Emission Control Systems: Application and ID

EMISSION CONTROL DEVICES AND SYSTEMS
PCM Powertrain Control Module
EGR Exhaust Gas Recirculation
EI Electronic Ignition
EVAP Fuel Evaporative System
FR Fill Pipe Restrictor
HO2S Heated Oxygen Sensor
MFI Multiport Fuel Injection
MIL Malfunction Indicator Light
PCV Positive Crankcase Ventilation
SPK Electronic Spark Advance (ESA) Control System
TWC Three Way Catalytic Converter
WU-TWC Warm-Up Three Way Catalytic Converter