Emission System Application Chart

EMISSION CONTROL DEVICES AND SYSTEMS

TWC Three-Way Catalytic Converter
PCM Powertrain Control Module
MIL Malfunction Indicator Light
MFI Multipoint Fuel Injection
EGR Exhaust Gas Recirculation
EVAP Evaporative Emission Control
HO2S [1] Heated Oxygen Sensor
PCV Positive Crankcase Ventilation
DI Distributorless Ignition
IATCS Intake Air Temperature Control System

NOTE: 2 spark plugs per cylinder
[1] One upstream / One downstream