Emission Systems Application Chart

EMISSION CONTROL DEVICES AND SYSTEMS
ECM Engine Control Module
EGR Exhaust Gas Recirculation
EI Electronic Ignition
EVAP Fuel Evaporative System
FR Fill Pipe Restrictor
HO2S (3) Heated Oxygen Sensors
MFI Multiport Fuel Injection
MIL Malfunction Indicator Light
PCV Positive Crankcase Ventilation
SPK Electronic Spark Advance (ESA) Control System
SC [1] Supercharger (Lysholm Compressor)
TWC Three Way Catalytic Converter
WU-TWC Warm-Up Three Way Catalytic Converter

[1] Air Charging Pressure Control System