FixVault

1982 CHEVROLET & GMC

Engine Emission Control Systems & Devices Remarks
Light Duty Emissions    
  1.9L 4-Cyl. ABAV1 , A/CL-BMS, A/CL-VM, AIR, AIR-DLVL, CAT, DCM/C-VLV, EEC, EGR, EGR-BPTV, EGR-DVLV, EGR-TVS, HIC, IS1 , MCU1 , PCV, TAC, TCVS2 , VCV1 , VSV1 , WOT-SW1 1 - Calif, only.
2 - Auto. trans. only.
3 - Some models.
4 - High alt. only.
  4.1L 6-Cyl. A/CL-BMS, A/CL-VM, AIR3 , AIR-DVLV3 , CAT, DC-VLV DCP-TVS, EEC, EFE, EFE-TVS, EGR, EGR-BldSOL4 , EGR-RST4 , EGR-TVS, PAIR3 , PCV, SRD-VLV, SVBrK, SVBrK-TVS, TAC, TC-DVLV2 , TC-TVS2 , TCVS2 , VRV3
  2.8L V6 A/CL-BMS, A/CL-VM, ACV, AIR, CAT, CP-TVS, DC-VLV, DD-VLV3 , DVRV4 , DV-TVS4 , EEC, EGR, EGR-BldSOL3 EGR/TC-TVS2 , EGR-TVS, MCU, MVS, PCV, PVBrk, SVBrk, SVBrK-TVS, TAC, TC-DVLV2 , TCVS2
  5.0L V8 A/CL-BMS, A/CL-VM, AIR3 , AIR-DVLV3 , CAT, ChVLV, DC-VLV3 , DD-VLV, DVRV3 , EEC, EFE, EFE-TVS, EGR, EGR-BldSOL3 , EGR-TVS, PCV, PTVS, SVBrk3 , SVBrK-TVS3 , TAC, TC-DVLV2 , TC-TVS2 , TCVS2 , VSW3
  5.7L V8 A/CL-BMS, A/CL-VM, AIR, AIR-DVLV3 , CAT, ChVLV, DC-VLV3 , DD-VLV, EEC, EFE, EFE-TVS, EGR, EGR-BldSOL3 , EGR-TVS, PCV, SVBrk1 , SVBrk-TVS1 , TAC, TC-DVLV2 , TC-TVS2 , TCVS2
Heavy Duty Emissions  
  4.8L 6-Cyl. A/CL-BMS, A/CL-VM, AIR, AIR-DVLV, DD-VLV, DV-TVS, TLA, TRC-VLV
  5.7L V8 A/CL-BMS, A/CL-VM, AIR, AIR-DVLV, ChVLV3 , EEC3 , EFE, EFE-TVS, PCV, SADV-TVS, SVBrk, SVBrK-TVS, TAC, TC-DVLV2 , TC-TVS2 , TCVS2 , TLA, TRC-SOL, VDVLV
  6.2L V8 CD-REGVLV, EGR3 , EGR-SOL3 , EPR-SOL3 , EPR-VLV3 , TAC, VACP3
  7.4L V8 A/CL-BMS, A/CL-VM, AIR, AIR-DVLV, ChVLV, EEC1 EFE, EFE-TVS, PCV, SADV-TVS, SVBrk, SVBrk-TVS, TAC, TLA, TRC-SOL
Light Duty Emissions:  Vehicles up to 8500 GVW. Heavy Duty Emissions:  Vehicles over 8500 GVW.
ABAV  - Air Bleed Actuator Valve
A/CL-BMS  - Air Cleaner Bi-Metal Sensor
A/CL-VM  - Air Cleaner Vacuum Motor
ACV  - Air Control Valve
AIR  - Air Injection Reactor
AIR-DVLV  - AIR Diverter Valve
CAT  - Catalytic Converter
CD-REGVLV  - Crankcase Depresion Regulator Valve
ChVLV  - Check Valve
CP-TVS  - Canister Purge Thermal Vacuum Switch
DC-VLV  - Deceleration Valve
DCM/C-VLV  - Deceleration Mixture Control Valve
DCD-TVS  - Distributor and Canister Purge Thermal Vacuum Switch
DD-VLV  - Distributor Delay Valve
DVRV  - Distributor Vacuum Regulator Valve
DV-TVS  - Distributor Vacuum Thermal Vacuum Switch
EEC  - Evaporative Emission Control
EFE  - Early Fuel Evaporation
EFE-TVS  - EFE Thermal Vacuum Switch
EGR  - Exhaust Gas Recirculation
EGR-BldSOL  - EGR Bleed Solenoid
EGR-BPTV  - EGR Backpressure Transducer Valve
EGR-DVLV  - EGR Delay Valve
EGR-RST  - EGR Restrictor
EGR-SOL  - EGR Solenoid
EGR/TC-TVS  - EGR/Torque Converter Thermal Vacuum Switch
EGR-TVS  - EGR Thermal Vacuum Switch
EPR-SOL  - Exhaust Pressure Regulator Solenoid
EPR-VLV  - Exhaust Pressure Regulator Valve
HIC  - Hot Idle Compensator
IS  - Idle Switch
MCU  - Micro Computer Unit
MVS  - Manifold Vacuum Switch
PAIR  - Pulse Air Injection System
PCV  - Positive Crankcase Ventilation
PTVS  - Purge Thermal Vacuum Switch
PVBrk  - Primary Vacuum Break
SADV-TVS  - Spark Advance Thermal Vacuum Switch
SRD-VLV  - Spark Retard Delay Valve
SVBrk  - Secondary Vacuum Break
SVBrK-TVS  - Secondary Vacuum Break Thermal Vacuum Switch
TAC  - Thermostatic Air Cleaner
TC-DVLV  - Torque Converter Delay Valve
TC-TVS  - Torque Converter Thermal Vacuum Switch
TCVS  - Torque Converter Vacuum Switch
TLA  - Throttle Lever Actuator
TRC-SOL  - Throttle Return Control Solenoid
TRC-VLV  - Throttle Return Control Valve
VACP  - Vacuum Pump
VCV  - Vacuum Control Valve
VDVLV  - Vacuum Delay Valve
VRV  - Vacuum Regulator Valve
VSV  - Vacuum Switching Valve
WOT-SW  - Wide Open Throttle Switch