Emission Control Systems: Application and ID

AC--Altitude Compensator
ASRV--Air Switch Relief Valve
ASRV-S--Air Switch Relief Valve-Solenoid
BPT--Back Pressure Transducer
CBVV--Carburetor Bowl Vent Valve
CCEV--Coolant Controlled Engine Vacuum Switch
CDV--Choke Delay Valve
CHAR/CAN--Charcoal Canister
ECS--Evaporation Control System
EFC--Electronic Feedback Carburetor
EGR--Exhaust Gas Recirculation
EGR-DO--Exhaust Gas Recirculation-Delay Valve
EGR-S--Exhaust Gas Recirculation Solenoid
ESA--Electronic Spark Advance
HADV--Heated Air Delay Valve
HIAS--Heated Inlet Air System
KS--Kicker Solenoid
PCV--Positive Crankcase Ventilation
PS--Purge Solenoid
TDDV--Trap Door Delay Valve
TV--Thermovalve
TVBPV--Tank Vapor Bypass Valve
TWC--Three-Way Catalytic Converter
VA--Vacuum Amplifier
VR--Vacuum Reservoir
VT--Vacuum Transducer