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Emission Applications

1966 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
All Models Carb. PCV,  (2)  AIS  ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Light duty California only (6000 GVWR or less).
1967 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
All Models Carb. PCV,  (2)  AIS  ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Light duty California only (6000 GVWR or less).
1968 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
2.2L (134") 4-Cyl. 1-Bbl. PCV, AIS  ...
3.7L (225") V6 2-Bbl. (3) PCV,  (2)  AIS  ...
3.8L (232") 6-Cyl. 1-Bbl. (3) PCV,  (2)  AIS  ...
5.4L (327") V8 2-Bbl. (3) PCV,  (2)  AIS  ...
5.4L (327") V8 4-Bbl. (3) PCV,  (2)  AIS  ...
5.7L (350") V8 2-Bbl. (3) PCV,  (2)  ACL 
(2) CCS		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Light duty only (6000 GVWR or less).
(3) Heavy duty uses PCV only (6001 GVWR or more).
1969 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
2.2L (134") 4-Cyl. 1-Bbl. PCV, AIS  ...
3.7L (225") V6 2-Bbl. (3) PCV,  (2)  AIS  ...
3.8L (232") 6-Cyl. 1-Bbl. (3) PCV,  (2)  AIS  ...
5.4L (327") V8 2-Bbl. (3) PCV,  (2)  AIS  ...
5.4L (327") V8 4-Bbl. (3) PCV,  (2)  AIS  ...
5.7L (350") V8 2-Bbl. (3) PCV,  (2)  ACL 
(2) CCS		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Light duty only (6000 GVWR or less).
(3) Heavy duty uses PCV only (6001 GVWR or more).
1970 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
2.2L (134") 4-Cyl. 1-Bbl. PCV,  (2) (5)  EVAP,  (3)  AIS  ...
3.7L (225") V6 2-Bbl. (4) PCV,  (2) (5)  EVAP,  (3)  AIS  ...
3.8L (232") 6-Cyl. 1-Bbl. (4) PCV,  (2) (5)  EVAP,  (3)  AIS  ...
5.4L (327") V8 2-Bbl. (4) PCV,  (2) (5)  EVAP,  (3)  AIS  ...
5.4L (327") V8 4-Bbl. (4) PCV,  (2) (5)  EVAP,  (3)  AIS  ...
5.7L (350") V8 2-Bbl. (4) PCV, ACL,  (2) (5)  EVAP 
CCS		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Light duty California only (6000 GVWR or less).
(3) Light duty only (6000 GVWR or less).
(4) Heavy duty uses PCV only (6001 GVWR or more).
(5) Vapor canister type.
1971 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
2.2L (134") 4-Cyl. 1-Bbl. PCV,  (2)  EVAP, AIS  ...
3.7L (225") V6 2-Bbl. (3) PCV, ACL,  (4) (2)  EVAP, AIS  ...
4.2L (258") 6-Cyl. 1-Bbl. (3) PCV,  (4) (2)  EVAP, SPK 
SPK-TCS		 ...
5.0L (304") V8 2-Bbl. (3) PCV,  (4) (2)  EVAP, SPK, AIS 
SPK-TCS		 ...
5.9L (360") V8 2-Bbl. (3) PCV,  (4) (2)  EVAP, SPK, AIS 
SPK-TCS		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Vapor canister type.
(3) Heavy duty uses PCV only (6001 GVWR or more).
(4) Light duty California only (6000 GVWR or less).
1972 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices EGR Test No.
3.8L (232") 6-Cyl. 1-Bbl. PCV,  (2) (3)  EVAP, SPK 
SPK-TCS		 ...
4.2L (258") 6-Cyl. 1-Bbl. PCV,  (2) (3)  EVAP, SPK 
SPK-TCS		 ...
5.0L (304") V8 2-Bbl. PCV,  (4)  ACL,  (2) (3)  EVAP, SPK,  (5)  AIS 
SPK-TCS		 ...
5.9L (360") V8 2-Bbl. PCV,  (4)  ACL,  (2) (3)  EVAP, SPK,  (6)  AIS 
SPK-TCS		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) Except Federal heavy duty (6001 GVWR or more).
(3) Vapor canister type.
(4) Light duty only (6000 GVWR or less).
(5) M/T only.
(6) M/T models & heavy duty models (6001 GVWR or more) with A/T.
1973 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
3.8L (232") 6-Cyl. 1-Bbl. PCV, ACL,  (3) (4)  EVAP,  (5)  EGR, SPK 
SPK-TCS		 1
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL,  (3) (4)  EVAP,  (6)  EGR, SPK,  (7)  AIS 
SPK-TCS		 1
5.0L (304") 6-Cyl. 1-Bbl. PCV, ACL,  (3) (4)  EVAP, EGR, SPK, AIS 
SPK-TCS		 1
5.9L (360") V8 2-Bbl. PCV, ACL,  (3) (4)  EVAP, EGR, SPK, AIS 
SPK-TCS		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (3) (4)  EVAP, EGR, SPK, AIS 
SPK-TCS		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Except Federal heavy duty (6001 GVWR or more).
(4) Vapor canister type.
(5) Commando only.
(6) Except CJ & DJ models.
(7) Wagoneer & Truck only.
1974 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (6000 GVWR Or Less) 
3.8L (232") 6-Cyl. 1-Bbl. PCV, ACL,  (7) (11)  EVAP, EGR, SPK 
SPK-TCS		 1
4.2L (258") 6-Cyl. 1-Bbl. PCV,  (3)  ACL,  (4) (11)  EVAP,  (3)  EGR,  (3)  SPK,  (5)  AIS 
(3) SPK-TCS		 1
5.0L (304") V8 1-Bbl. PCV, ACL,  (7) (11)  EVAP, EGR,  (6)  SPK, AIS 
(6) SPK-TCS		 1
5.9L (360") V8 2-Bbl. A/T PCV, ACL,  (7) (11)  EVAP, EGR,  (10)  BP/EGR, SPK, AIS 
(10) BP/EGR-BPS, (8) SPK-TCS		 1
5.9L (360") V8 2-Bbl. M/T PCV, ACL,  (7) (11)  EVAP, EGR, SPK, AIS 
(8) SPK-TCS		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (7) (11)  EVAP,  (6)  EGR,  (9)  BP/EGR, SPK, AIS 
(9) BP/EGR-BPS, (10) SPK-TCS		 1
6.6L (401") V8 4-Bbl. PCV, ACL,  (7) (11)  EVAP, EGR, AIS  1
Heavy Duty Emissions (6001 GVWR Or More) 
5.9L (360") V8 2-Bbl. PCV, ACL,  (7) (11)  EVAP, EGR, SPK, AIS  1
5.9L (360") V8 4-Bbl. PCV, ACL,  (11)  EVAP, EGR, SPK, AIS  1
6.6L (401") V8 4-Bbl. PCV, ACL,  (11)  EVAP, EGR, SPK, AIS  1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Used on all Federal models & California M/T CJ5/6 models.
(4) California M/T CJ5/6 models.
(5) Except Federal M/T CJ5/6.
(6) Federal only.
(7) Except Federal heavy duty (6001 GVWR or more).
(8) Federal except Truck 46.
(9) Except Federal Cherokee.
(10) California only.
(11) Vapor canister type.
1975 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (6000 GVWR Or Less) 
3.8L (232") 6-Cyl. 1-Bbl. PCV, ACL,  (3)  EVAP,  (4)  FR, EGR, SPK 
SPK-CTO, (5) SPK-TCS		 1
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL,  (6) (3)  EVAP,  (4)  FR,  (4) (7)  EGR, SPK 
SPK-CTO, SPK-TCS		 1
5.0L (304") V8 2-Bbl. PCV, ACL,  (3)  EVAP, OC, FR, EGR,  (4)  SPK, AIS 
SPK-CTO, (4) SPK-TCS		 1
5.9L (360") V8 2-Bbl. PCV, ACL,  (4) (8)  EGR, SPK, AIS 
SPK-CTO		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (4) (3)  EVAP,  (9)  EGR,  (4)  BP/EGR, SPK, AIS 
(4) BP/EGR-BPS, SPK-CTO		 2
6.6L (401") V8 4-Bbl. PCV, ACL,  (4) (3)  EVAP,  (9)  OC,  (9)  FR,  (9)  EGR,  (4)  BP/EGR, SPK, AIS 
(4) BP/EGR-BPS, SPK-CTO		 2
Heavy Duty Emissions (6001 GVWR Or More) 
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL, EGR, SPK 
SPK-CTO		 1
5.9L (360") V8 2-Bbl. PCV, ACL, EGR, SPK, AIS  1
5.9L (360") V8 4-Bbl. PCV, ACL,  (4) (3)  EVAP, EGR,  (4)  BP/EGR, SPK, AIS  1
6.6L (401") V8 4-Bbl. PCV, ACL,  (4) (3)  EVAP, EGR,  (4)  BP/EGR, AIS 
BP/EGR-BPS		 2
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Vapor canister type.
(4) California only.
(5) M/T only.
(6) CJ5/6 only.
(7) Except J10 & Cherokee.
(8) Federal Cherokee & J10 models only.
(9) Federal only.
1976 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (6000 GVWR Or Less) 
3.8L (232") 6-Cyl. 1-Bbl. PCV, ACL,  (4) (3)  EVAP,  (5)  OC,  (5)  FR, BP/EGR,  (5)  SPK,  (5)  AIS 
BP/EGR-BPS, BP/EGR-CTO, SPK-TCS		 2
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL,  (4) (3)  EVAP,  (5)  OC, FR, EGR,  (6)  BP/EGR,  (6)  SPK,  (5)  AIS 
EGR-CTO, (6) BP/EGR-BPS, SPK-CTO, SPK-TCS		 2
5.0L (304") V8 2-Bbl. PCV, ACL,  (4) (3)  EVAP, OC, FR, EGR, SPK, AIS 
EGR-CTO, SPK-CTO, SPK-TCS		 1
5.9L (360") V8 2-Bbl. PCV, ACL, EGR, SPK, AIS 
EGR-CTO, SPK-CTO, SPK-TCS		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (5) (3)  EVAP, EGR, SPK, AIS 
EGR-CTO, SPK-CTO, SPK-TCS		 1
6.6L (401") V8 4-Bbl. PCV, ACL,  (5) (3)  EVAP,  (7)  OC,  (7)  FR,  (7)  EGR,  (5)  BP/EGR, SPK, AIS 
(5) BP/EGR-BPS, SPK-CTO, SPK-TCS		 2
Heavy Duty Emissions (6001 GVWR Or More) 
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL, EGR, SPK 
SPK-CTO		 1
5.9L (360") V8 2-Bbl. PCV, ACL, EGR, SPK, AIS 
SPK-CTO		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (5) (3)  EVAP, EGR,  (5)  BP/EGR, SPK, AIS 
(5) BP/EGR-BPS, SPK-CTO		 1 , 2
6.6L (401") V8 4-Bbl. PCV, ACL,  (5) (3)  EVAP,  (5)  BP/EGR, AIS 
(5) BP/EGR-BPS, SPK-CTO		 1 , 2
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Vapor canister type.
(4) Except Federal heavy duty (6001 GVWR or more).
(5) California only.
(6) CJ5/7 only.
(7) Federal only.
1977 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (6000 GVWR Or Less) 
3.8L (232") 6-Cyl. 1-Bbl. PCV, ACL,  (3) (4)  EVAP,  (5) (6)  OC, FR, EGR,  (6)  SPK, AIS 
SPK-CTO, (5) SPK-TCS		 1
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL,  (3) (6) (4)  EVAP,  (5) (7)  OC, FR, EGR, SPK,  (6)  AIS 
SPK-CTO, (5)(6) SPK-TCS		 1
5.0L (304") V8 2-Bbl. PCV, ACL,  (3) (5) (4)  EVAP, OC, FR,  (8)  EGR,  (10)  BP/EGR,  (9)  SPK, AIS 
(10) BP/EGR-BPS, SPK-CTO, (5)(7) SPK-TCS		 2
5.9L (360") V8 2-Bbl. PCV, ACL, EGR, SPK, AIS 
SPK-CTO, SPK-TCS		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (11) (4)  EVAP,  (11)  OC, FR,  (12)  EGR,  (11)  BP/EGR, SPK, AIS 
(11) BP/EGR-BPS, SPK-CTO, SPK-TCS		 2
6.6L (401") V8 4-Bbl. PCV, ACL,  (11) (4)  EVAP,  (11)  OC, FR,  (12)  EGR,  (11)  BP/EGR, SPK, AIS 
(11) BP/EGR-BPS, SPK-CTO, SPK-TCS		 2
Heavy Duty Emissions (6001 GVWR Or More) 
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL, EGR, SPK  1
5.9L (360") V8 2-Bbl. PCV, ACL, EGR, SPK, AIS 
SPK-CTO		 1
5.9L (360") V8 4-Bbl. PCV, ACL,  (11) (4)  EVAP, EGR,  (11)  BP/EGR, SPK, AIS 
(11) BP/EGR-BPS, SPK-CTO		 1 , 2
6.6L (401") V8 4-Bbl. PCV, ACL,  (11) (4)  EVAP, EGR,  (11)  BP/EGR, SPK, AIS 
(11) BP/EGR-BPS, SPK-CTO		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Except Federal heavy duty (6001 GVWR or more).
(4) Vapor canister type.
(5) High altitude models.
(6) CJ models.
(7) California CJ models only.
(8) Not used on Federal M/T.
(9) High altitude & California only.
(10) California M/T only.
(11) California only.
(12) Federal only.
1978 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (6000 GVWR Or Less - Fed; 8500 GVWR Or Less - Calif.) 
3.8L (232") 6-Cyl. 1-Bbl. (3) PCV, ACL,  (4)  EVAP,  (5)  OC, FR, EGR, SPK, AIS 
SPK-CTO, SPK-TCS		 1
4.2L (258") 6-Cyl. 1-Bbl. PCV, ACL,  (4)  EVAP,  (6)  OC, FR, EGR, SPK, AIS 
SPK-CTO, (7) SPK-TCS		 1
5.0L (304") V8 2-Bbl. PCV, ACL,  (4)  EVAP, OC, FR, EGR,  (8)  SPK, AIS 
SPK-CTO, SPK-TCS		 1
5.9L (360") V8 2-Bbl. PCV, ACL,  (4)  EVAP, OC, FR, EGR, SPK, AIS 
SPK-CTO, SPK-TCS		 1
Heavy Duty Emissions (6001 GVWR Or More - Fed.; 8501 GVWR Or More - Calif.) 
4.2L (258") 6-Cyl. 2-Bbl. PCV, ACL, EGR, SPK 
SPK-CTO, SPK-TCS		 1
5.9L (360") V8 2&4-Bbl. PCV, ACL, EGR, SPK, AIS 
SPK-CTO, SPK-TCS		 1
6.6L (401") V8 4-Bbl. Carb. PCV, ACL, EGR, SPK, AIS 
SPK-CTO, SPK-TCS		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Not available in California.
(4) Vapor canister type.
(5) High altitude models.
(6) High altitude & California only.
(7) California CJ5/7 A/T only.
(8) All high altitude models & California CJ7 A/T models only.
1979 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
Light Duty Emissions (8500 GVWR Or Less) 
3.8L (232") 6-Cyl. Carb. PCV, ACL,  (3)  EVAP, OC, FR, EGR,  (5)  SPK, AIS 
EGR-TVS, SPK-CTO, SPK-NLVR		 1
4.2L (258") 6-Cyl. Carb. PCV, ACL,  (3)  EVAP, OC, FR, EGR,  (4) SPK, AIS 
EGR-TVS, SPK-CTO, SPK-NLVR		 1
5.0L (304") V8 Carb. PCV, ACL,  (3)  EVAP, OC, FR, EGR, SPK, AIS 
SPK-TVS, SPK-NLVR		 1
5.9L (360") V8 Carb. PCV, ACL,  (3)  EVAP, OC, FR, EGR, SPK, AIS 
SPK-CTO, SPK-NLVR		 1
Heavy Duty Emissions (8501 GVWR Or More)  (5) 
4.2L (258") 6-Cyl. Carb. PCV, ACL,  (6) (3)  EVAP, SPK 
SPK-CTO, SPK-NLVR		 ...
5.9L (360") V8 Carb. PCV, ACL,  (6) (3)  EVAP, SPK, AIS 
SPK-CTO, SPK-NLVR		 ...
6.6L (401") V8 Carb. PCV, ACL,  (6) (3)  EVAP, SPK, AIS 
SPK-CTO, SPK-NLVR		 ...
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Vapor canister type.
(4) California with heavy duty cooling & all Federal.
(5) Heavy duty cooling only.
(6) Except Federal heavy duty (8501 GVWR or more).
1980 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
2.5L (151") 4-Cyl. Carb. PCV, ACL,  (3) (5)  EVAP, OC,  (6)  TWC, FR, EGR, SPK,  (6)  AIS,  (6)  O2S,  (6)  CEC 
EGR-CTO, SPK-DV, SPK-TV, (6) DCLV		 1
4.2L (258") 6-Cyl. Carb. PCV, ACL,  (3) (5)  EVAP, OC, FR, EGR, SPK, AIS 
EGR-CTO, SPK-DV, (4) SPK-CTO, (7) HDC, (7) HDC-CTO		 1
5.0L (304") V8 Carb. PCV, ACL,  (3) (5)  EVAP,  (8)  OC,  (8)  TWC, FR, EGR, SPK, AIS 
EGR-CTO, SPK-DV, (4) SPK-CTO, (7) HDC, (7) HDC-CTO		 1
5.9L (360") V8 Carb. PCV, ACL,  (3) (5)  EVAP, OC, FR, EGR,  (4)  SPK, AIS 
EGR-CTO, SPK-DV, (4) SPK-CTO, (7) HDC, (7) HDC-CTO		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Except Federal heavy duty (8501 GVWR or more).
(4) A/T models.
(5) Vapor canister type.
(6) California only.
(7) M/T only.
(8) Some models.
1981 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
2.5L (151") 4-Cyl. Carb. PCV, OC,  (3)  TWC, FR, EGR, SPK,  (3)  O2S,  (3)  AIS,  (3)  CEC 
EGR-CTO, EGR-TVS, SPK-CTO, SPK-NLVR, (3) DCLV		 1
4.2L (258") 6-Cyl. Carb. PCV,  (4)  OC,  (3)  TWC, FR, EGR, SPK, AIS,  (3)  O2S,  (3)  CEC 
EGR-CTO, EGR-TVS, SPK-CTO, SPK-NLVR, DCLV, HDC, HDC-CTO		 1
5.0L (304") Federal V8 Carb. PCV, OC, FR, EGR, AIS 
EGR-CTO, EGR-TVS, (7)(5) EGR-FDV, HDC, HDC-CTO		 1
5.9L (360") V8 Carb. PCV, OC, FR, EGR, SPK, AIS 
EGR-CTO, EGR-TVS, EGR-FDV, SPK-NLVR, (6) SPK-CTO		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) California only.
(4) TWC on A/T.
(5) J10 M/T.
(6) Heavy duty only (8501 GVWR or more).
(7) A/T models.
1982 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
2.5L (151") 4-Cyl. Carb. PCV, ACL, OC,  (4)  TWC, FR, EGR, SPK,  (4)  O2S,  (4)  CEC 
EGR-CTO, EGR-TVS, (3) SPK-CTO, SPK-NLVR, (7) DCLV		 1
4.2L (258") 6-Cyl. Carb. PCV, ACL, OC,  (8)  TWC, FR, EGR, SPK, AIS,  (5) CEC 
EGR-CTO, (6) EGR-FDV, EGR-TVS, (3) SPK-CTO, SPK-NLVR		 1
5.9L (360") V8 Carb. PCV, ACL, OC, FR, EGR, SPK, AIS 
EGR-CTO, EGR-TVS, (3) SPK-CTO, SPK-NLVR		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Heavy duty only (8501 GVWR or more).
(4) California CJ5.
(5) Some Federal & all California.
(6) Some models.
(7) California only.
(8) Except Federal CJ.
1983 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
2.5L (151") 4-Cyl. Carb. PCV, OC, FR,  (4)  TWC, EGR, SPK,  (4)  O2S,  (4)  CEC 
EGR-CTO, EGR-TVS, (3) SPK-CTO, SPK-NLVR, (7) DCLV		 1
4.2L (258") 6-Cyl. Carb. PCV, ACL, EVAP, OC,  (5)  TWC, FR, EGR, SPK, PAIR,  (7)  O2S,  (6)  CEC 
EGR-CTO, (6) EGR-FDV, EGR-TVS, (3) SPK-CTO, SPK-NLVR		 1
5.9L (360") V8 Carb. PCV, OC, FR, EGR, SPK, AIS 
EGR-CTO, EGR-TVS, (3) SPK-CTO, SPK-NLVR		 1
(1) Major emission control systems and devices are listed in bold type. Components and other related devices are listed in light type.
(2) See JEEP in EGR FUNCTION TESTING section. Use specified test number.
(3) Heavy duty only (8501 GVWR or more).
(4) California CJ5.
(5) Some Federal & all California.
(6) Some models.
(7) California only.
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