Emission Applications

1992 Buick (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

2.3L (140") 4-Cyl. MFI

PCV, EVAP, TWC, FR, ⁽³⁾ EGR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁴⁾ EVAP-CPCS, ⁽⁵⁾ EVAP-TPCV, SPK-CC

2.5L (151") 4-Cyl. TBI

PCV, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁵⁾ EVAP-TPCV, SPK-CC

2 or 3

3.1L (181") V6 MFI

PCV, EVAP, TWC, FR, ⁽⁷⁾ ⁽⁴⁾ EGR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁴⁾ EVAP-CPCS, ⁽⁵⁾ EVAP-TPCV, SPK-CC

3.3L (204") V6 MFI

PCV, EVAP, TWC, FR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁴⁾ EVAP-CPCS, SPK-CC

...

3.8L (231") V6 SFI (VIN L)

PCV, EVAP, TWC, FR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁴⁾ EVAP-CPCS, ⁽³⁾⁽⁵⁾ EVAP-TPCV, SPK-CC

...

3.8L (231") V6 SC SFI (VIN 1)

PCV, EVAP, TWC, FR, ⁽⁷⁾ ⁽⁴⁾ EGR, SPK, O2S, CEC, MIL
EVAP-VC, ⁽⁴⁾ EVAP-CPCS, SPK-CC

5.7L (350") V8 TBI

PCV, ACL, EVAP, TWC, FR, ⁽⁴⁾ BP/EGR, SPK, AP, O2S, CEC, MIL
⁽⁸⁾ ACL-WP, EVAP-VC, ⁽⁴⁾ EVAP-CPCS, EVAP-TPCV, ⁽⁴⁾ BP/EGR-CS, SPK-CC, ⁽⁴⁾ AP-EADV, AP-CKV

2 or 3

⁽¹⁾	Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.

⁽²⁾	See GENERAL MOTORS - CARS in EGR FUNCTION TESTING section. Use specified test number.

⁽³⁾	Regal only.

⁽⁴⁾	ECM controlled.

⁽⁵⁾	In fuel tank.

⁽⁶⁾	"W" Body with M/T only.

⁽⁷⁾	Digital EGR valve.

⁽⁸⁾	"B" Body only.