LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Jeep >> 1991 >> Cherokee Laredo, 2D Utility, Standard >> Repair and Diagnosis >> Engine Performance >> Emissions >> Emission Applications >> Emission Applications
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Emission Applications

1991 Jeep

Model, Engine & Fuel System (1) Emission Control Systems & Devices (2) EGR Test No.
2.5L (150") 4-Cyl. MFI PCV,  (3)  EVAP, TWC, FR, SPK, O2S, CEC, SRI, MIL 
EVAP-PRRV, SPK-CC
...
Cherokee, Comanche & Wrangler 4.0L (242") 6-Cyl. MFI PCV,  (3)  EVAP, TWC, FR, SPK, O2S, CEC, SRI, MIL 
EVAP-PRRV, SPK-CC
...
Grand Wagoneer 5.9L (360") V8 2-Bbl. PCV, ACL,  (3)  EVAP, TWC, FR, BP/EGR, SPK, AP, EFE 
EVAP-FBVV, EVAP-PRRV, EVAP-DCTO, EVAP-VM, BP/EGR-BPT, BP/EGR-CTO, BP/EGR-TVS, SPK-RDVLV, SPK-VACTO, AP-ACV, (4) AP-CKV, AP-DCTO
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) Upstream & downstream.