Emission Applications

1994 Corvette (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

5.7L (350") V8 SFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, AP, ⁽⁴⁾ HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, EVAP-TPCV, ⁽³⁾ BP/EGR-CS, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST, ⁽³⁾ AP-EAP, AP-CKV, ⁽³⁾ AP-ERLY

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⁾	ECM/PCM controlled.

⁽⁴⁾	Equipped with 2.

1994 Chevrolet - Except Corvette (Domestic Cars)

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

2.2L (133") 4-Cyl. MFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, O2S, CEC, MIL
EVAP-VC, ⁽³⁾ BP/EGR-CS, SPK-EST

2.3L (140") 4-Cyl. MFI

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

...

3.1L (191") V6 SFI

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

3.4L (204") V6 SFI (VIN S)

PCV, EVAP, TWC, FR, ⁽³⁾ ⁽⁵⁾ EGR, ⁽³⁾ SPK, AP, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, ⁽⁴⁾ EVAP-TPCV, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST, ⁽³⁾ AP-EADV, ⁽³⁾ AP-EAP, AP-CKV, ⁽³⁾ AP-ERLY

3.4L (204") V6 SFI (VIN X)

PCV, EVAP, TWC, FR, ⁽³⁾ ⁽⁵⁾ EGR, ⁽³⁾ SPK, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, ⁽⁴⁾ EVAP-TPCV, ⁽³⁾ SPK-ESC, ⁽³⁾ SPK-EST

4.3L (262") V8 SFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, AP, HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, EVAP-TPCV, ⁽³⁾ BP/EGR-CS, SPK-ESC, SPK-EST, ⁽³⁾ AP-EAP, AP-CKV, AP-ERLY

2 or 3

5.7L (350") V8 SFI

PCV, EVAP, TWC, FR, ⁽³⁾ BP/EGR, ⁽³⁾ SPK, AP, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-VC, ⁽³⁾ EVAP-CPCS, EVAP-TPCV, ⁽³⁾ BP/EGR-CS, ⁽³⁾ SPK-ESC

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⁾	ECM/PCM controlled.

⁽⁴⁾	Located in fuel tank.

⁽⁵⁾	Digital EGR valve.

⁽⁶⁾	Equipped with 2.