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
CEL Check Engine Lamp
EGR Exhaust Gas Recirculation
EVAP Evaporative Emission Control
FR Fuel Pipe Restrictor
OXY Oxygen Sensor
[1][2]PCV Positive Crankcase Ventilation
SPK Electronic Spark Control
TAC Thermostatic Air Cleaner