Emission System Application Chart

EMISSIONS CERTIFICATION OBD II

ENGINE 7.4L (454 cid)

FUEL SYSTEM Sequential Fuel Injection (SFI)

DEVICES & SYSTEMS

EGR [1] Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
HO2S Heated Oxygen Sensors
MIL Malfunction Indicator Lamp
PCV Positive Crankcase Ventilation
VCM Vehicle Control Module
SPK [2] DIS; EST; ESC.
TWC Three-way Catalytic Converter
AIR Secondary Air Injection

[1] Linear electrically operated EGR valve.
[2] Distributorless Ignition System; Electronic Spark Timing; Electronic Spark Control (knock sensor).