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1978-79 PONTIAC

Year, Engine & Fuel System Emission Control Systems & Devices Remarks
1978    
  2.5L (151") 4-Cyl. 2-Bbl. PCV, TAC, AIS (1) , EVAP, OC/TWC (1) , EGR, SPK  , CVB-VDV, DS-TVS, DS-VDV, EFE, EFE-TVS, EFC(1), EGR-TVS
(1) Calif. only.
(2) Calif. & High Alt.
(3) Federal only.
(4) A/T only.
  3.8L (231") V6 2-Bbl. PCV, TAC, AIS (3) , EVAP, OC/TWC (1) , BP/EGR  , CP-TVS, EFE, EFE-CV, EFE-TVS, EGR-TVS, VDV(2)
  5.0L (301") V8 2-Bbl.(3) PCV, TAC, EVAP, OC, BP/EGR, SPK  , DS-TVS, DS-VDV, DS-VRV, EFE, EFE-CV, EFE-TVS EGR-TVS, SVB-TVS
  5.0L (301") V8 4-Bbl.(3) PCV, TAC, EVAP, OC, EGR, SPK  , DS-TVS, DS-VDV, DS-VRV, EFE, EFE-CV, EFE-TVS EGR-TVS, SVB-TVS
  5.0L (305") V8 2-Bbl. PCV, TAC, AIS (2) , EVAP, OC, EGR, SPK  , DS-VDV(1), DV(2), EFE, EFE-CV(3), EFE-TVS, PV
  5.7L (350") V8 4-Bbl.(3) PCV, TAC, EVAP, OC, EGR, SPK, EFE, EFE-CV, EFE-TVS, PV 
  5.7L (350") V8 4-Bbl. PCV, TAC (3) , AIS (2) , EVAP, OC, EGR  , DS-TVS, DV(2), EFE, EFE-CV, EFE-TVS, EGR-CV, EGR-TVS
  6.5L (400") V8 4-Bbl.(3) PCV, TAC, EVAP, OC, BP/EGR, SPK  , DS-TVS, EFE, EFE-CV, EFE-TVS, EGR-TVS, RDO(4), SVB-TVS
  6.5L (403") V8 4-Bbl.(2)(5) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , DS-TVS, DV, EGR-CV, EGR-TVS
1979    
  2.5L (151") 4-Cyl. 2-Bbl. (VIN V(5)) PCV, TAC, EVAP, OC, EGR, SPK  , DS-CP-TVS, DS-CP-VDV, EGR-TVS
(5) Federal only.
(6) Calif. only.
(7) Calif. & High Alt only.
(8) Auto. Trans, only.
  2.5L (151") 4-Cyl. 2-Bbl. (VIN 1(6)) PCV, TAC, EVAP, TWC, EGR, SPK, CEC  , CEAB-TVS, CESS, EFE, EFE-EGR-TVS, VIS, VM-CV
  3.8L (231") V6 2-Bbl. PCV, TAC, AIS (7) , EVAP, OC/TWC (6) , BP/EGR  , CP-TVS(7), DS-TVS, DS-VMV, EFE, EFE-CV, EFE-TVS, EGR-TVS, VDV(6)
  4.9L (301") V8 2-Bbl.(5) PCV, TAC, EVAP, OC, BP/EGR, SPK  , DS-TVS, DS-VDV, DS-VMV, DS-VRV, EFE, EFE-CV, EFE-TVS EGR-TVS, SVB-TVS
  4.9L (301") V8 4-Bbl.(5) PCV, TAC, EVAP, OC, EGR, SPK  , DS-TVS, DS-VDV(8), DS-VMV(8), EFE, EFE-CV, EFE-TVS EGR-TVS, SVB-TVS
  5.0L (305") V8 2-Bbl.(6) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , APDV, DS-EFE-TVS, EFE, EFE-CV, EFE-TVS
  5.0L (305") V8 4-Bbl.(7) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , APDV, EGR-CP-TVS, EFE, EFE-CV
  5.7L (350") V8 4-Bbl. (VIN L(7)) PCV, TAC, AIS, EVAP, OC, EGR, SPK  , EFE, APDV, EGR-CPS-TVS, EFE-CV
  5.7L (350") V8 4-Bbl. (VIN X(7)) PCV, TAC, EVAP, OC, EGR, SPK, EFE, CP-TVS, EFE-EGR-TVS 
  5.7L (350") V8 4-Bbl. (VIN R) PCV, TAC, AIS, EVAP, OC, EGR, APDV, DS-EGR-TVS, EFE, EGR-TVV, SVB-TVS 
  6.5L (400") V8 4-Bbl. (VIN Z) PCV, TAC, EVAP, OC, BP/EGR, SPK  , DS-TVS, DS-VMV, EFE, EFE-CV, EFE-TVS, EGR-TVS, SVB-TVS
  6.5L (403") V8 4-Bbl. (VIN K) PCV, TAC, AIS  (6) , EVAP, OC, EGR, SPK  , APDV(6), EGR-TVV, EGR-TVS 2, SVB-TVS

ACV  - Air Control Valve

AIS  - Air Injection System

AIS-SOL  - AIS 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. Switch

BP/EGR  - Backpressure EGR

BPS  - Backpressure Sensor

BPT  - Backpressure Transducer

BPV  - Backpressure Valve

BPV  - By-Pass Valve

3  I  - Computer Controlled Coil Ignition

CANCV  - Canister Control Valve

CCS  - Controlled Combustion System

CCV  - Canister Control Valve

CDR  - Crankcase Depression Relief

CEAB  - Cold Engine Air Bleed

CEC  - Computerized Engine Control

CEC  - Combined Emission Control Valve

CESS  - Cold Engine Sensor Switch

CFI  - Cross Fire Injection

CKV  - Check Valve

CP  - Canister Purge

CP-SOL  - Canister Purge Solenoid

CPS  - Canister Purge Solenoid

CPV  - Canister Purge Valve

CTS  - Coolant Temp. Sensor

CTVS  - Choke Thermal Vac. Switch

CV  - Control Valve

CVB  - Choke Vac. Break

DBC  - Dual Bed Catalytic

DCLV  - Deceleration Valve

DLV  - Delay Valve

O-PVS  - Distributor Ported Vac. Switch

DS  - Distributor Spark

DS-TVS  - Distributor Spark Thermal Vac. Switch

DS-VDV  - Distributor Spark Vac. Delay Valve

DS-VRV  - Distributor Spark Vac. Reducer Valve

DTVS  - Distributor Thermal Vac. Switch

DV  - Diverter Valve

DVAS  - Distributor Vac. Advance Solenoid

DVDV  - Distributor Vac. Delay Valve

DVRV  - Distributor Vac. Regulating Valve

ECU  - Electronic Control Unit

EFC  - Electronic Fuel Injection

EFE  - Early Fuel Evaporation

EFE-PVS  - EFE Ported Vac. Switch

EFE-TVS  - EFE Thermal Vac. Switch

EGR  - Exhaust Gas Recirculation

EGR/BPS  - EGR Backpressure Sensor

EGRCS  - EGR Control Solenoid

EGR-CV  - EGR Control Valve

EGR-TCV  - EGR Thermal Control Valve

EGR-PVS  - EGR Ported Vac. Switch

EPR  - Exhaust Pressure Regulator

ESC  - Electronic Spark Control

ESS  - Engine Speed Sensor

ESS  - Electronic Spark Selection

ESSM  - Engine Speed Switch Module

ETS  - Engine Temp. Switch

EVAP  - Evaporative Emission Control

FISR  - Fast Idle Solenoid Relay

KS  - Knock Sensor

MAFS  - Mass Airflow Sensor

MAP  - Manifold Absolute Pressure Sensor

NLV  - Non-Linear Valve

2  - Oxygen Sensor

OC  - Oxidation Catalytic

ORC  - Oxidation Reduction Catalytic

PAS  - Pulse Air Solenoid

PCV  - Positive Crankcase Ventilation

PEVR  - Power Enrichment Vac. Regulator

PFI  - Ported Fuel Injection

PR-CV  - Pressure Control Valve

PSV  - Pulse Air Shutoff Valve

PURGE-CV  - Purge Control Valve

PV  - Pulse Air Valve

PVA  - Ported Vac. Advance

PVS  - Ported Vac. Switch

R-DLV  - Retard Delay Valve

RDO  - Retard Delay Orifice

RLY  - Relay

SAVM  - Spark Advance Vac. Modulator

SBC  - Single Bed Catalytic

SCS  - Speed Controlled Spark

SDV  - Spark Delay Valve

SEC-ACT  - Secondary Actuator

SOL  - Solenoid

SPK  - Spark Control

SRDV  - Spark Retard Delay Valve

SSC-ACT  - Stepped Speed Control Actuator

SSC-SOL  - Stepped Speed Control Solenoid

SVB  - Secondary Vac. Break

SWV  - Switching Valve

TAC  - Thermostatic Air Cleaner

TBI  - Throttle Body Injection

TBVV  - Thermal Bowl Vac. Valve

TCS  - Transmission Controlled Spark

TCV  - Thermal Check/Control Valve

TK  - Throttle Kicker

TP-CV  - Tank Pressure Control Valve

TPI  - Tuned Port Injection

TRY  - Transmission Vac. Valve

TVS  - Thermal Vac. Switch

TVV  - Thermal Vac. Valve

TWC  - Three-Way Catalytic

VAV  - Vac. Advance Valve

VB  - Vacuum Break

VBV  - Vac. Bias Valve

VCK V  - Vac. Check Valve

VCS  - Vac. Control Switch

VCV  - Vac. Control Valve

VDV  - Vac. Delay Valve

VIS  - Vac. Input Switch

VL-DV  - Vac. Delay Valve

VM-CV  - Vac. Modulator Check Valve

VMV  - Vac. Modulator Valve

VP  - Vac. Pump

VRS  - Vac. Retard Switch

VRV  - Vac. Relay/Regulator Valve

VS  - Vac. Switch

VSENS  - Vac. Sensor

VSS  - Vac. Switching Solenoid

VSV  - Vac. Switching Valve

WSTGT  - Wastegate Actuator