Emission Control Systems: Application and ID

AAS--Aspirator Air System
AC--Altitude Compensator
AIS--Air Injection System
ASRV--Air Switch Relief Valve
ASRV-S--Air Switch Relief Valve-Solenoid
BAR-SOL--Barometer Solenoid
BPT--Back Pressure Transducer
CHAR/CAN--Charcoal Canister
CTS--Charge Temperature Solenoid
CVSCC--Coolant Vacuum Switch Cold Closed
EC--Electric Choke
ECS--Evaporation Control System
EFC--Electronic Feedback Carburetor
EGR--Exhaust Gas Recirculation
EGR-DV--Exhaust Gas Recirculation-Delay Valve
EGR/P-S--Exhaust Gas Recirculation/Purge Solenoid
EGR-S--Exhaust Gas Recirculation Solenoid
ESA--Electronic Spark Advance
HADV--Heated Air Delay Valve
HIAS--Heated Inlet Air System
MAP--Manifold Absolute Pressure Sensor
OS--Oxygen Sensor
PCV--Positive Crankcase Ventilation
PR/RV--Pressure Relief/Rollover Valve
PS--Purge Solenoid
TBI--Throttle Body Injection
TWC--Three-Way Catalytic Converter
VBOV--Vacuum Bleed-Off Valve
WS--Wastegate Solenoid