LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 1980 >> Skyhawk Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Emission Control Application >> BUICK
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Emission Control Application: BUICK

EMISSION CONTROL SYSTEMS

Engine & Calibration Emission Control Systems & Devices Remarks
151" 4-Cyl. 2-Bbl. Federal (VIN 5) CAT, TAC, EEC, EFE, PCV, EGR, VDLV, DVS, EGR-TVS, DCLV (1) - Some Models.
(2) - Man. Trans. Only.
(3) - Some Fed. models use C-4. See Calif, listing.
151* 4-CyL 2-Bbl, Calif. (VIN 5) CAT, TAC EEC, IPS, PCV, EGR, PR-CV TW-CV, C-4, VCS, DV, RDHV(1), DTVS(2), «EGR-TVS(2)
173" V6 2-Bbl. Federal CAT, TAC, EEC, EFE, PCV, EGR, DCLV, VB, PAIR, SVB-TVS, CKV, CP-TVS, EFE-TVS, EGR-TVS
173" V6 2-Bbl. Calif. CAT, TAC EEC, EFE, PCV, 838, DCIV, VB SVS-TVS, TP-CV, EFE-TVS, EGR-TVS, CKV, CP-DTVS, C-4, PAIR
231" V6 2-Bbl. Federal(3) (VIN A) CAT, TAC, EEC, EFE, PCV, EGR, AIR, DLV, RLY(1), EFE/EGR-TVS, CKV, NLV, VDLV, APCV, DTVS(1), CP-TVS(2)
231" V6 2-Bbl. Calif. (VIN A) CAT, TAC, EEC EFE, PCV, EGR, C-4, AIR, EGR/EFE-TVS, CKV, DLV, CP-TVS, AIR-CV
231" V6 Turbo Federal (VIN 3) CAT, TAC, EEC, EFE, PCV, EGR, PEVR, APDV, AIR, CKV, TVS, AP-CKV, DLV, EFE/EGR-TVS
231" V6 Turbo Calif. (VIN 3) CAT, TAC EEC EFE PCV, EGR, C-4, AIR, AIR-SWV AIR-CV, EFE-SOL, EGR-SOL, CP-TVS, DLV, CKV SPDV, AIR-SWV, AIR-CV
252" V6 4-Bbl. Federal CAT, TAC, EEC, EFE, PCV, EGR, DLV, AIR, EFE/EGR-TVS, DTVS, NLV, VDLV, APCV
265" V8 2-Bbl federal CAT, TAC, EEC, EFE, PCV, EGR, AIR SPK-TVS, SPK-DLV, TVS, CKV, APDV, VDLV
301" V8 4-Bbl. Federal CAT, TAC, EPC, EFE, PCV, EGR, AIR, DTVS, TVS, EFE-TVS, APDV, CKV, VS
305" V8 4-Bbl. Federal CAT, TAC, EFC, EFE, PCV, EGR, TVS, DLV, DTVS, EFE-TVS, EGR-TVS, AIR, AP-CV(1), APDV(1), VDLV(1)
AIR  - Air Injection Reactor
APCV  - Air Pump Control Valve
APDV  - Air Pump Diverter Valve
ASV  - Air Switching Valve
BPT  - Back Pressure Transducer
CKV  - Check Valve
CAT  - Catalytic Converter
CP  - Canister Purge
CV  - Control Valve
DCLV  - Deceleration Valve
DLV  - Delay Valve
DTVS  - Distributor Thermal Vacuum Switch
EEC  - Evaporative Emission Control
EFE  - Early Fuel Evaporation
EGR  - Exhaust Gas Recirculation
ETS  - Engine Temperature Switch
NLV  - Non-Linear Valve
PAIR  - Pulse Air Injection
PCV  - Positive Crankcase Ventilation
PEVR  - Power Enrichment Vacuum Regulator
PR-CV  - Pressure Control Valve
R-DLV  - Retard Delay Valve
RLY  - Relay
SAVM  - Spark Advance Vacuum Modulator
SOI  - Solenoid
SVB  - Secondary Vacuum Break
SWV  - Switching Valve
TAC  - Thermostatic Air Cleaner
TP-CV  - Tank Pressure Control Valve
TVS  - Thermal Vacuum Switch
TVV  - Thermal Vacuum Valve
VB  - Vacuum Break
VCS  - Vacuum Control Switch
VL-DV  - Vacuum Delay Valve
VRV  - Vacuum Regulator Valve
VS  - Vacuum Switch
EMISSION CONTROL SYSTEMS

Engine & Calibration Emission Control Systems & Devices Remarks
305" V8 4-Bbl. Calif. CAT, TAC, EEC, EFE, PCV, EGR, AIR, C-4, SVB, CKV, DTVS, DLV, TVS, APDV, EGE-TVS, EFE-TVS  
350" V8 4-Bbl. Federal (VIN R) CAT, TAC, EEC, EPE, PCV, EGR, AIR, OMVS, EGR/EMR-TVS, EMR-VS, CVB-DTVS, SPK-DLV
350" V9 4-Bbl. Calif. (VIN R) CAT, TAC, EEC, PCV, EGR, C-4, SAVM, DTVS, CP-TVS, CVB-TVS, EGR-DTVS
350" VS 4-Bbl. Federal (VIN X) CAT, TAC, EEC, EFE, PCV, EGR, AIR, VDLV, PCV CP-TVS, EFE/EGR-TVS, DKV, NIV, DIV, RIY, SPK-DLV
350" V8 Diesel PCV, EGR, ETS, VRV, EGR-VS