Emission Applications

2003 Domestic Trucks & Vans

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

Light Duty Emissions (8500 GVWR Or Less)

2.0L (122") 4-Cyl. MFI (VIN C)

PCV, ⁽⁴⁾ EVAP, TWC, ⁽⁵⁾ WU-TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁶⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, ⁽⁷⁾ EVAP-ORVR, EVAP-VC, EVAP-VCF, FF-CKV, FF-FCV, FT-FLVV, FTPS

2.2L (134") 4-Cyl. SFI (VIN D)

⁽⁸⁾ PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁶⁾ SPK, HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-FTPS, EVAP-ORVR, EVAP-VC, EVAP-VSOL, FT-FLVV, FT-GVV

...

2.5L (153") V6 SFI (VIN 4)

PCV, ⁽⁴⁾ EVAP, TWC, ⁽⁹⁾ WU-TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁰⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-FTPCSV, EVAP-FVTS, EVAP-ORVR, EVAP-VC, EVAP-VCF, FT-FLVV, FT-PCV, FTPS

3.0L (183") V6 MFI (VIN B)

PCV, ⁽⁴⁾ EVAP, WU-TWC, FR, ⁽⁴⁾ SPK, ⁽¹⁰⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-FTPS, EVAP-ORVR, EVAP-VC, FF-CKV, FT-FLVV, FT-GVV, FTPS

...

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

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁵⁾ AP, ⁽⁶⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-ORVR, EVAP-RV/FTPS, EVAP-VC, FTPS, AP-CKV, AP-EAP, AP-ERLY, ⁽¹¹⁾ AP-SV, AP-VCSV

4.2L (254") 6-Cyl. SFI (VIN S)

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ SPK, ⁽⁶⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, FTPS

...

4.3L (262") V6 Central SFI (VIN X) Astro & Safari

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹²⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

...

4.3L (262") V6 Central SFI (VIN X) Blazer, Chevy Express, Savana, Sonoma & S10 Pickup

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ SPK, ⁽¹²⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-VC, FTPS

...

4.3L (262") V6 Central SFI (VIN X) Sierra & Silverado

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, FTPS, AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

...

4.8L (292") V8 SFI (VIN V)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, AP-CKV, AP-EAP, AP-ERLY, AP-SOV

5.3L (325") V8 SFI (VIN P)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

5.3L (325") V8 SFI (VIN T)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

5.3L (325") V8 SFI (VIN Z)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

6.0L (364") V8 SFI (VIN N & U)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

8.1L (496") V8 SFI (VIN G)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

Heavy Duty Emissions (8501 GVWR Or More) ⁽³⁾

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

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹²⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-VC, FTPS, AP-CKV, AP-EAP, AP-ERLY, AP-SOV

...

4.8L (292") V8 SFI (VIN V)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC, AP-CKV, AP-EAP, AP-ERLY, AP-SOV

5.3L (325") V8 SFI (VIN T)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

6.0L (364") V8 SFI (VIN U)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹⁴⁾ HO2S, CEC, ⁽⁴⁾ MIL
EVAP-CPCSV, EVAP-CVCSV, EVAP-RV/FTPS, EVAP-VC

8.1L (496") V8 SFI (VIN G)

PCV, ⁽⁴⁾ EVAP, ⁽¹³⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽¹³⁾ HO2S, CEC, ⁽⁴⁾ 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⁾	See GENERAL MOTORS - TRUCKS in EGR FUNCTION TESTING section. Use specified test number.

⁽³⁾	For emission applications on gasoline-powered motor homes 8501 GVWR or more & built on a motor home chassis, see appropriate CLASS "A" MOTOR HOMES table.

⁽⁴⁾	PCM controlled.

⁽⁵⁾	California only.

⁽⁶⁾	Equipped with 2; one in exhaust manifold & one in exhaust pipe after catalytic converter.

⁽⁷⁾	If equipped.

⁽⁸⁾	Equipped with oil/air separator in air cleaner outlet resonator.

⁽⁹⁾	Equipped with 2; one in each bank, below exhaust manifold.

⁽¹⁰⁾	Equipped with 4; one in each exhaust manifold & one in exhaust pipe after each catalytic converter.

⁽¹¹⁾	Equipped with 2 shut-off valves.

⁽¹²⁾	Equipped with 3; one in each exhaust pipe below exhaust manifold & one in exhaust pipe after catalytic converter.

⁽¹³⁾	Equipped with 2.

⁽¹⁴⁾	Equipped with 4; one in each exhaust pipe after exhaust manifold & one in each pipe after catalytic converter.