Emission Applications

1996 Domestic Trucks & Vans

Engine & Fuel System

⁽¹⁾ Emission Control Systems & Devices

⁽²⁾ EGR Test No.

Light Duty Emissions (8500 GVWR Or Less)

2.2L (135") 4-Cyl. SFI

PCV, ⁽⁴⁾ EVAP, TWC, FR, EGR, SPK, HO2S, O2S, CEC, MIL
EVAP-VC, EVAP-TPCV, EGR-CS, SPK-EST

3.4L (208") V6 SFI

PCV, ⁽⁴⁾ EVAP, TWC+OC, FR, ⁽⁵⁾ EGR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-VC, EVAP-CPCS, EVAP-TPCV, SPK-EST, SPK-ESC

4.3L (262") V6 CSI

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁵⁾ EGR, SPK, ⁽⁷⁾ HO2S, CEC, MIL
⁽⁸⁾ EVAP-CPCS, SPK-ESC, SPK-EST

5.0L (305") V8 CSI

PCV, ⁽⁴⁾ EVAP, TWC, FR, ⁽⁵⁾ EGR, SPK, ⁽⁷⁾ HO2S, CEC, MIL
EVAP-CPCS, EGR-EVRV, SPK-EST, SPK-ESC

5.7L (350") V8 CSI

PCV, ⁽⁴⁾ EVAP, ⁽⁶⁾ TWC, FR, ⁽⁵⁾ EGR, SPK, ⁽⁷⁾ HO2S, CEC, MIL
EVAP-CPCS, EGR-EVRV, SPK-EST, SPK-ESC

7.4L (454") V8 CSI

PCV, ⁽⁴⁾ EVAP, OC, FR, EGR, SPK, ⁽⁷⁾ HO2S, CEC, MIL
EVAP-CPCS, SPK-EST, SPK-ESC

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

4.3L (262") V6 CSI

PCV, ⁽⁴⁾ EVAP, OC, FR, ⁽⁵⁾ EGR, SPK, ⁽⁷⁾ HO2S, CEC, MIL
EVAP-CPCS, EGR-CS, SPK-EST, SPK-ESC

5.7L (350") V8 CSI

PCV, ⁽⁴⁾ EVAP, OC, FR, EGR, SPK, HO2S, CEC, MIL
EVAP-CPCS, EGR-CS, SPK-EST, SPK-ESC

7.4L (454") V8 TBI (VIN N)

PCV, ACL, ⁽⁴⁾ EVAP, TWC, FR, EGR, SPK, HO2S, CEC, MIL
EVAP-CPCS, SPK-EST

7.4L (454") V8 CSI (VIN J)

PCV, ⁽⁴⁾ EVAP, TWC, FR, EGR, SPK, ⁽⁶⁾ HO2S, CEC, MIL
EVAP-CPCS, SPK-EST

⁽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⁾	Vapor canister type.

⁽⁵⁾	Linear EGR valve.

⁽⁶⁾	Equipped with 2.

⁽⁷⁾	Equipped with 4.

⁽⁸⁾	California only.