Emission Applications

1989 Corvette (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

5.7L (350") V8 MFI

PCV, ⁽³⁾ EVAP, ⁽⁴⁾ TWC+OC, FR, BP/EGR, SPK, AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EVAP-CPCV, BP/EGR-CS, SPK-EST, AIS-AMV

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⁾	California emissions only.

⁽⁴⁾	Federal emissions only.

1989 Chevrolet - Except Corvette (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

2.0L (122") 4-Cyl. TBI

PCV, EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC
EVAP-VC

2 or 3

2.5L (151") 4-Cyl. TBI

PCV, ⁽³⁾ EVAP, TWC, FR, BP/EGR, SPK, O2S, CEC

2 or 3

2.8L (173") V6 MFI

PCV, EVAP, TWC, FR, ⁽⁴⁾ EGR, SPK, ⁽⁵⁾ ⁽⁶⁾ AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EGR-CS

4.3L (262") V6 TBI

PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EVAP-CPCV, BP/EGR-CS

2 or 3

5.0L (305") V8 FI

PCV, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EVAP-CPCV, BP/EGR-CS, AIS-AMV

2 or 3

5.0L (305") V8 TBI

PCV, ACL, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EVAP-CPCV, BP/EGR-CS, AIS-AMV

2 or 3

5.0L (307") V8 4-Bbl.

PCV, ACL, EVAP, TWC, FR, EGR, SPK, AIS, O2S, CEC, EFE
EVAP-VC, EGR-CS, AIS-AMV, EFE-TVS, TK

5.7L (350") V8 FI

PCV, EVAP, TWC, FR, BP/EGR, SPK, AIS, O2S, CEC
EVAP-VC, EVAP-CPCS, EVAP-CPCV, BP/EGR-CS, AIS-AMV

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⁾	Vapor canister type.

⁽⁴⁾	Electronically controlled.

⁽⁵⁾

M/T only.

⁽⁶⁾	Camaro & Firebird.