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Jeep® YJ Wrangler, TJ Wrangler and LJ Wrangler

Discussion and information sharing on 1987-95 Jeep YJ Wrangler and 1997-2006 Jeep TJ and LJ Wrangler models. Includes AMC and Chrysler era vehicles, the LJ and Rubicon editions plus all four-cylinder and inline six-cylinder engines and powertrains.

169 topics in this forum

  1. 1989 Jeep YJ Wrangler 2.5L TBI Diagnostic Plug Connector for ISA Motor Control

    By Thunderbolt1078,   
    • 3 replies
    • 276 views

  2. 1988 Jeep YJ Wrangler 2.5L TBI with no gas coming out of fuel injector

    By Carlos,   
    • 26 replies
    • 649 views

  3. 1989 Jeep YJ Wrangler 2.5L TBI fuel flow problem

    By Jeep4Us,   
    • 3 replies
    • 283 views

  4. 1990 Jeep YJ 2.5 TBI Stalling during warmup

    By madsquirrel,   
    • 7 replies
    • 416 views

  5. 1990 Jeep YJ Wrangler Check Engine Light (CEL) Fails to Come On

    By ventriel,   
    • 10 replies
    • 788 views

  6. Converting an AX5 to External Slave Cylinder

    By Diamond Jr,
    • 21 replies
    • 7,077 views

  7. YJ 2.5L TBI distributor gasket leak

    By csmart,   
    • 1 reply
    • 209 views

  8. No activity on new isa

    By csmart,
    • 16 replies
    • 349 views

  9. AX-15 Knocks In Reverse

    By WMCCALL,
    • 9 replies
    • 2,218 views

  10. YJ 4.0 no spark, no start, code 54

    By zidodcigalah,
    • 2 replies
    • 326 views

  11. Jeep Wrangler 4.0L operating temperature range

    By zidodcigalah,   
    • 8 replies
    • 1,952 views

  12. Jeep Wrangler 4.0L diagnosing piston slap, rod knock or a valvetrain noise

    By zidodcigalah,   
    • 12 replies
    • 2,832 views

  13. AX5 Transmission

    By hotz,   
    • 1 reply
    • 166 views

  14. 4.0 Jeep TJ Fast Idle Goes Away After Throttle Blip

    By Bullseye240,   
    • 3 replies
    • 173 views

  15. Jeep 2.5L TBI: Dumb EGR Question?

    By csmart,   
    • 5 replies
    • 337 views

  16. 1995 2.5L Jeep YJ Wrangler cannot make it run right

    By Nelnoc,   
    • 11 replies
    • 401 views

  17. Should I adjust my Jeep Wrangler Saginaw steering gear?

    By zidodcigalah,   
    • 2 replies
    • 341 views

  18. 1990 Jeep YJ Wrangler Transfer Case Noise And Rear Suspension Specs

    By Sinisterwillys1940,   
    • 15 replies
    • 304 views

  19. Random Misfire P0300 through P0306 - 2000 TJ Wrangler

    By carlosa,   
    • 17 replies
    • 1,036 views

  20. 1997 Jeep TJ Wrangler 32RH transmission slipping

    By Superwinch,   
    • 1 reply
    • 534 views

  21. 1990 Jeep YJ Wrangler 2.5L TBI Has No Spark, No Gas: Need ECU info on board drivers for the Ignition Module and Injector

    By Rusty,   
    • 5 replies
    • 506 views

  22. 1990 Jeep YJ Wrangler 2.5l tbi stumbling issues

    By Aspenyj,   
    • 7 replies
    • 311 views

  23. Diagnostics Procedures, Diagrams and Specifications for Jeep YJ Wrangler 2.5L TBI

    By Moses Ludel,   
    • 2 replies
    • 537 views

  24. Dana 30 Pinion Preload Shim Stack

    By Mudbullet,   
    • 14 replies
    • 1,437 views

  25. Jeep 1990 YJ 2.5L drives 35 minutes well then stalls

    By Sabueso,   
    • 35 replies
    • 843 views
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