Emission Control Systems: Application and ID

Engine Fuel System
5.9L (360 cid) 8-Cyl Rochester Quadrajet 4 Bbl Carburetor

DEVICES AND SYSTEMS

AIS Air Injection System
EVAP (DUAL CANISTERS) [1] Evaporative Emission Control
EGR Exhaust Gas Recirculation
HIAS Heated Inlet Air System
OC Oxidation Catalytic Converter
PCV Positive Crankcase Ventilation
Remarks:
[1] Except Canadian Heavy Duty Models
Note: Any vehicle over 8501 lbs. GVW is considered Heavy Duty
Note: Any vehicle under 8500 lbs. GVW is considered Light Duty