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1978-79 OLDSMOBILE

Year, Engine & Fuel System Emission Control Systems & Devices Remarks
1978    
  2.5L(151") 4-Cyl. 2-Bbl. PCV, TAC, EVAP, OC/TWC (4) , EGR, SPK  , CVB-VDV, DTVS, EFC(2), EFE, EFE-TVS, EGR-TVS, SRDV
(1) Calif. & High Alt.
(2) Calif. only.
(3) Toronado only.
(4) Reed valve system.
  3.8L (231") V6 2-Bbl. (VIN A) PCV, TAC, AIS (1) , EVAP, OC, BP/EGR  , CP-TVS, EFE, EFE-CV, EFE-TVS, EGR-TVS
  4.3L (260") V8 2-Bbl. PCV, TAC, AIS (1) , EVAP, OC, BP/EGR, SPK  , CTVS, DCV(1), DTCV(1), DTVS, EGR-DTVS(1), EGR-TCV, SAVM
  5.0L (305") V8 2-Bbl. PCV, TAC, AIS (1) , EVAP, OC, BP/EGR (1) , SPK  , CP-TVS(1), EFE, EFE-CV, EFE-TVS, EGR-TVS(1), SDV(2)
  5.7L (350") V8 4-Bbl. (VIN L)(1) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , EFE, EFE-CV, EFE-TVS, EGR-TVS
  (VIN X) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , CP-TVS, EFE, EFE-TVS, EGR-TVS
  (VIN R) PCV, TAC, AIS (2) , EVAP, OC, BP/EGR, SPK  , CTVS, DTVS(1), EGR-DTVS(2), EGR-TCV
  5.7L (350") V8 Diesel (VIN N) EGR 
  6.6L (403") V8 4-Bbl. PCV, TAC, AIS (2) , EVAP, OC, BP/EGR, SPK  , CTVS, DTVS(1)(2), EGR-TCV, EGR-TVS, EST-CTS3 , EST-TVS
1979    
  2.5L (151") 4-Cyl. 2-Bbl. (VIN V) PCV, TAC, EVAP, OC, BP/EGR, SPK  , DTVS, EGR-TVS, SRDV
(5) Calif. only.
(6) Federal & High Alt. only.
(7) Federal only.
(8) Calif. & High Alt. only.
(9) Omega only.
(10) High Alt. only.
(11) Exc. Vin 2.
  (VIN 1) PCV, TAC, EVAP, OC, BP/EGR, SPK, CEC  , CBV, CEAB-TVS, CESS, EFE, EFE-DTVS, O2 , VDV, VIS, VM, VM-CV
  3.8L (231") V6 2-Bbl. (VIN A & 2) PCV, TAC, AIS (5) (11) , EVAP, OC/TWC (5) , BP/EGR, CEC (5)  , CP-TVS, DTVS(11), DVDV(5)(11), EFE, EFE-CV, EFE-TVS, EGR-TVS, SAVM(6)(11)
  4.3L (260") V8 2-Bbl. (VIN F) PCV, TAC, EVAP, OC, BP/EGR, SPK  , CTVS, DTVS, DVDV(5), EGR-TCV, SAVM(6)
  5.0L (301") V8 2-Bbl. (VIN Y)(7) PCV, TAC, EVAP, OC, BP/EGR, SPK  , CTVS, DTVS, DVRV, EFE, EFE-TVS, SRDV
  5.0L (305") V8 2-Bbl. (VIN G) PCV, TAC, AIS (5) , EVAP, OC, BP/EGR, SPK  , CP-TVS, DTVS(9), EFE, EFE-CV, EFE-DTVS(5), EFE-TVS, EGR-TVS, SDV(9)
  5.0L (305") V8 4-Bbl. (VIN H) PCV, TAC, AIS (10) , EVAP, OC, BP/EGR, SPK  , CP-TVS, DTVS(7), EFE, EFE-CV, EFE-TVS, EGR-TVS, SDV(7)
  5.7L (350") V8 4-Bbl. (VIN L)(10) PCV, TAC, AIS, EVAP, OC, BP/EGR, SPK  , CP-TVS, EFE, EFE-CV, EFE-TVS, EGR-TVS
  (VIN R) PCV, TAC, AIS (10) , EVAP, OC, BP/EGR, SPK  , CTVS, DTVS(10), DVDV(10), EGR-DTVS(5), EGR-TCV
  6.6L (403") V8 4-Bbl. (VIN K) PCV, TAC, EVAP, OC, BP/EGR, SPK  , CTVS, DTVS(10), DVDV(10), EGR-DTVS(5), EGR-TCV
1979 1/2    
  2.5L (151") 4-Cyl. 2-Bbl. VIN 5) PCV, TAC, AIS (13) , EVAP, OC, BP/EGR, SPK  , DS-TVS, DS-VDV, DS-VRV(12), EGR-TVS
(12) Not used in Calif.
(13) Calif. only.
(14) Federal only.
  2.8L (173") V6 2-Bbl. (VIN 7)(14) PCV, TAC, AIS, EVAP, OC, BP/EGR, SPK  , CP-TVS, DCLV, DS-TVS, EFE, EFE-CV, EFE-TVS, EGR-TVS, SVB-TVS

ACV  - Air Control Valve

AIS  - Air Injection System

AIS-SOL  - Air Injection System Solenoid

AMgV  - Air Management Valve

APCV  - Air Pump Control Valve

APDV  - Air Pump Diverter Valve

ASS  - Air Switching Solenoid

ASV  - Air Switching Valve

ATS  - Air Temp. Sensor

BP/EGR  - Backpressure EGR

BPT  - Backpressure Transducer

BPV  - Backpressure Valve

CANCV  - Canister Control Valve

CCS  - Controlled Combustion System

CEAB  - Cold Engine Air Bleed

CEC  - Computerized Engine Control

CEC  - Combined Emission Control Valve

CESS  - Cold Engine Temp. Switch

CKV  - Check Valve

CP  - Canister Purge

CP-SOL  - Canister Purge Solenoid

CPS  - Canister Purge Solenoid

CPV  - Canister Purge Valve

CPVS  - Choke Ported Vac. Switch

CTS  - Coolant Temp. Switch

CTVS  - Choke Thermal Vac. Switch

CV  - Control Valve

CVB-VDV  - Choke Vac. Break Vac. Delay Valve

DBC  - Dual Bed Catalytic

DCV  - Distributor Check Valve

DCLV  - Deceleration Check Valve

DDV  - Distributor Delay Valve

DLV  - Delay Valve

DPS  - Differential Pressure Sensor

DPVS  - Distributor Ported Vac. Switch

DS  - Distributor Spark

DTVS  - Delay Thermal Vac. Switch

DVAS  - Distributor Vac. Advance Solenoid

DVCS  - Distributor Vac. Control Switch

DVDSV  - Differential Vac. Delay Separator Valve

DVDV  - Distributor Vac. Delay Valve

DVRV  - Distributor Vac. Regulating Valve

DVV  - Distributor Vac. Valve

EAC  - Electric Air Control Valve

EAS  - Electric Air Switching Valve

EFC  - Electronic Fuel Control

EFE  - Early Fuel Evaporative System

EFE-PVS  - EFE Ported Vac. Switch

EFE-TVS  - EFE Thermal Vac. Switch

EGR  - Exhaust Gas Recirculation

EGRCS  - EGR Control Solenoid

EGR-DTVS  - EGR Dist. Therm. Vac. Switch

EGR-DV  - EGR Delay Valve

EGR-PVS  - EGR Ported Vac. Switch

EGR-TCV  - EGR Temp. Control Valve

EPR  - Exhaust Pressure Regulator

ESC  - Electronic Spark Control

ESS  - Electronic Spark Selection

EST  - Electronic Spark Timing

EST-CTS  - EST Coolant Temp. Sensor

ETS  - Engine Temp. Sensor

EVAP  - Evaporative Emission Control

FBVS  - Fuel Bowl Vent Solenoid

IAC  - Idle Air Control

IAC-V  - Idle Air Control Valve

MAP  - Manifold Absolute Pressure

MPFI  - Multi-Port Fuel Injection

NLV  - Non-Linear Valve

2  - Oxygen Sensor

OPVS  - Oil Temp. Ported Vac. Switch

PAS  - Pulse Air Solenoid

PCV  - Positive Crankcase Ventilation

PEVR  - Power Enrichment Vac. Regulator

PR-CV  - Pressure Control Valve

PSV  - Pulse Air Shutoff Valve

PV  - Pulse Air Valve

R-DLV  - Retard Delay Valve

RLY  - Relay

SAVM  - Spark Advance Vac. Modulator

SBC  - Single Bed Catalytic

SDV  - Spark Delay Valve

SOL  - Solenoid

SRDV  - Spark Retard Delay Valve

SVB  - Secondary Vac. Break

SWV  - Switching Valve

TAC  - Thermostatic Air Cleaner

TAC-PVS  - TAC Ported Vac. Switch

TBI  - Throttle Body Injection

TBVV  - Thermal Bowl Vac. Valve

TCS  - Transmission Controlled Spark

TCV  - Thermal Control Valve

TK  - Throttle Kicker

TP-CV  - Tank Pressure Control Valve

TPS  - Throttle Position Sensor

TRV  - Transmission Vac. Valve

TVS  - Thermal Vac. Switch

TVV  - Thermal Vac. Valve

TWC  - Three-Way Catalytic

VB  - Vacuum Break

VCK-V  - Vac. Check Valve

VCS  - Vac. Control Switch

VDV  - Vac. Delay Valve

VIS  - Vac. Input Switch

VM-CV  - Vac. Modulator Check Valve

VMV  - Vac. Modulator Valve

VRS  - Vac. Retard Switch

VRV  - Vac. Reducer/Regulator Valve

VS  - Vacuum Switch

VSENS  - Vacuum Sensor

VSV  - Vac. Switching/Solenoid Valve

VP  - Vacuum Pump