Emission System Application Chart

Engine 7.4L (454 cid)

Fuel System Throttle Body Fuel Injection (TBI)

DEVICES & SYSTEMS

CAT Three Way Catalyst
CEC Computerized Engine Control
MIL Malfunction Indicator Lamp
EGR Exhaust Gas Recirculation (Linear)
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY Oxygen Sensor
[1][2]PCV Positive Crankcase Ventilation
DI Distributor Ignition