Emission Applications

2004 Chevy Express

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

EGR Test No.

4.3L (262") V6 Central SFI (VIN X) ⁽²⁾

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ SPK, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-VC, FTPS

...

4.3L (262") V6 Central SFI (VIN X) ⁽⁵⁾

PCV, ⁽³⁾ EVAP, TWC, FR, ⁽³⁾ SPK, ⁽⁴⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-VC, FTPS

...

4.8L (292") V8 SFI (VIN V) ⁽²⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

4.8L (292") V8 SFI (VIN V) ⁽⁵⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

5.3L (325") V8 SFI (VIN T) ⁽²⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

5.3L (325") V8 SFI (VIN T) ⁽⁵⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

6.0L (364") V8 SFI (VIN U) ⁽²⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

6.0L (364") V8 SFI (VIN U) ⁽⁵⁾

PCV, ⁽³⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽³⁾ SPK, ⁽⁷⁾ HO2S, CEC, ⁽³⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

...

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

⁽²⁾	Vehicles up to 8500 GVW.

⁽³⁾	PCM-controlled.

⁽⁴⁾	Equipped with 3

⁽⁵⁾	Vehicles over 8500 GVW.

⁽⁶⁾	Equipped with 2.

⁽⁷⁾	Equipped with 4.