Emission Applications

2001 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, ⁽⁵⁾ WU-TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-FTPCSV, ⁽⁷⁾ EVAP-ORVR, EVAP-VC, EVAP-VCF, FF-CKV, FF-FCV, FF-FLVV, FTPS

2.2L (134") 4-Cyl. Flex-Fuel SFI (VIN 5)

⁽⁸⁾ PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁵⁾ AP, HO2S, O2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

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

PCV, ⁽⁴⁾ EVAP, ⁽⁵⁾ WU-TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-FTPCSV, EVAP-ORVR, EVAP-VC, EVAP-VCF, FF-CKV, FTCV, FF-FLVV, FTPS

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

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-ORVR, EVAP-RV/FTPS, EVAP-VC, AP-CKV, AP-EAP, AP-ERLY, ⁽¹³⁾ AP-SOV, AP-VCS

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

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC

4.3L (262") V6 SFI (VIN W) Blazer, Bravada, Express, Jimmy, Savana, Sonoma & S10 Pickup

PCV, ⁽⁴⁾ EVAP, WU-TWC, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽⁹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-VC, FTPS, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

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

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹¹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCSV

4.8L (293") V8 SFI (VIN V)

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ ⁽¹²⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹¹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

5.0L (305") V8 Central SFI (VIN M)

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁷⁾ AP, ⁽⁹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ EVAP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

5.3L (323") V8 SFI (VIN T)

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹¹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ EVAP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

5.7L (350") V8 Central SFI (VIN R)

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽⁹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ EVAP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

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

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

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

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

5.7L (350") V8 Central SFI (VIN R)

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ EGR, ⁽⁴⁾ SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽¹¹⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

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

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

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁴⁾ EGR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC

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

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁴⁾ EGR, SPK, ⁽⁴⁾ ⁽⁷⁾ AP, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, EVAP-CVCS, EVAP-RV/FTPS, EVAP-VC, ⁽¹⁰⁾ AP-CKV, AP-EAP, AP-ERLY, AP-SOV, AP-VCS

⁽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/VCM controlled.

⁽⁵⁾	California only.

⁽⁶⁾	Equipped with 2.

⁽⁷⁾	If equipped.

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

⁽⁹⁾	Equipped with 3.

⁽¹⁰⁾	Equipped with 2 check valves.

⁽¹¹⁾	Equipped with 4.

⁽¹²⁾	Linear EGR valve.

⁽¹³⁾	Equipped with 2 shut-off valves.