Jeep® YJ Wrangler, TJ Wrangler and LJ Wrangler

235 topics in this forum

1. Jeep YJ Wrangler 2.5L TBI Troubleshooting

   By Stinger87, November 17, 2013   

   • Jeep Wrangler
   • Jeep YJ
   • (and 2 more)

     Tagged with:

     • Jeep Wrangler
     • Jeep YJ
     • Jeep how-to
     • AX5
   • 112 replies
   • 63.8k views
   • 
   • Julio
   • November 29, 2022
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3. 4.0L Jeep Six: Cylinder #1 Misfire Trouble Code

   By jj_jeep, June 8, 2013   

   • Jeep Wrangler
   • Jeep TJ
   • (and 3 more)

     Tagged with:

     • Jeep Wrangler
     • Jeep TJ
     • Jeep inline six
     • Jeep 4.0L
     • Jeep how-to
   • 81 replies
   • 93.2k views
   • 
   • Moses Ludel
   • February 9, 2014

4. Jeep CJ7 T5 Transmission Rebuild and Using the Correct Lubricant

   By Reid, May 21, 2016   

   • jeep cj7
   • t5 transmission
   • (and 6 more)

     Tagged with:

     • jeep cj7
     • t5 transmission
     • rebuild t5
     • how-to
     • jeep t5 rebuild
     • gl-4
     • valvoine mtf
     • valvoline vps
   • 54 replies
   • 13.8k views
   • 
   • Moses Ludel
   • May 4, 2017

5. YJ Wrangler 32RH Transmission Grinding and Rattling Noise

   By zidodcigalah, January 31, 2021   

   • 1995 wrangler
   • yj jeep
   • (and 7 more)

     Tagged with:

     • 1995 wrangler
     • yj jeep
     • 32rh transmission
     • transmission noise
     • grinding
     • rattling
     • a904
     • chrysler automatic
     • rebuilding
   • 44 replies
   • 5.9k views
   • 
   • Moses Ludel
   • May 31, 2022

6. 2.5L TBI Jeep YJ Wrangler Running Rich and Won't Idle

   By JP88YJ, April 5, 2020   

   • 2.5l tbi
   • jeep yj
   • (and 10 more)

     Tagged with:

     • 2.5l tbi
     • jeep yj
     • jeep wrangler
     • idle rough
     • nox
     • emissions test
     • test port
     • fuel pump
     • egr
     • tps
     • pressure gauge
     • schrader adapter
   • 36 replies
   • 8.8k views
   • 
   • Moses Ludel
   • May 8, 2023

7. Jeep TJ Wrangler 4.0L Troubleshooting with an Oscilloscope

   By SomeBuckaroo, February 6, 2023   

   • jeep tj
   • 4.0l
   • (and 15 more)

     Tagged with:

     • jeep tj
     • 4.0l
     • leakdown tester
     • how-to
     • diagnostics
     • oscilloscope
     • ignition
     • spark
     • cap and rotor
     • wires
     • spark plugs
     • firing lines
     • troubleshooting
     • in-cylinder pressure
     • transducer
     • running engine test
     • pressure transducer
   • 35 replies
   • 1.2k views
   • 
   • Moses Ludel
   • June 3, 2023

8. 1989 Jeep Wrangler YJ 2.5L TBI Stalling and No Start

   By jcbbgator, February 22, 2021   

   • 1989 jeep
   • 2.5l tbi
   • (and 10 more)

     Tagged with:

     • 1989 jeep
     • 2.5l tbi
     • stalling
     • no start
     • fuel pressure
     • fuel volume
     • fuel filter
     • troubleshooting
     • map
     • cps
     • tune-up
     • pressure port
   • 35 replies
   • 7.4k views
   • 
   • Moses Ludel
   • July 9, 2021

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

   By Sabueso, January 26, 2017   

   • iac
   • yj 2.5
   • (and 4 more)

     Tagged with:

     • iac
     • yj 2.5
     • stalls
     • loud noise
     • egr?
     • fuel pressure
   • 35 replies
   • 8.1k views
   • 
   • Moses Ludel
   • August 4, 2017

10. Jeep TJ Wrangler Refreshed 2.5L Engine Has Knocking Noise

    By Wayne, December 8, 2020   

    • 1998 jeep
    • tj wrangler
    • (and 5 more)

      Tagged with:

      • 1998 jeep
      • tj wrangler
      • 2.5l mpi
      • 2.5l jeep
      • knocking noise
      • troubleshooting
      • diagnostics
    • 33 replies
    • 6k views
    • 
    • Moses Ludel
    • July 26, 2022

11. Battery Terminals and Cables

    By jj_jeep, July 21, 2013
    • 27 replies
    • 21.7k views
    • 
    • Moses Ludel
    • May 13, 2014

12. 1988 Jeep YJ Wrangler 2.5L TBI with no gas coming out of fuel injector

    By Carlos, February 12, 2018   

    • jeep yj 2.5
    • tbi
    • (and 4 more)

      Tagged with:

      • jeep yj 2.5
      • tbi
      • 1988 yj jeep
      • no fuel
      • injector trouble
      • fuel starvation
    • 26 replies
    • 12.9k views
    • 
    • Moses Ludel
    • March 17, 2018

13. 1990 Jeep YJ Wrangler 2.5L EGR Troubleshooting

    By DogpawSlim, April 28, 2014
    • 25 replies
    • 13.4k views
    • 
    • Moses Ludel
    • June 10, 2014

14. Advanced Jeep 2.5L TBI Troubleshooting

    By Msongy, August 2, 2016   

    • jeep yj
    • jeep wrangler
    • (and 5 more)

      Tagged with:

      • jeep yj
      • jeep wrangler
      • jeep 2.5l
      • tbi 2.5l
      • 2.5l jeep troubleshooting
      • jeep repairs
      • 2.5l tbi
    • 25 replies
    • 7.5k views
    • 
    • Moses Ludel
    • June 20, 2017

15. Aisin AX 15 Shifting Problem After Rebuild

    By timmy960, May 9, 2013   

    • aisin
    • ax15
    • (and 6 more)

      Tagged with:

      • aisin
      • ax15
      • transmission
      • rebuild
      • synchronizers
      • thrusts
      • selective fit
      • snap rings
    • 24 replies
    • 15.3k views
    • 
    • Moses Ludel
    • January 29, 2021

16. Evaporative Emissions Headache

    By PANomad, September 4, 2014   

    • Jeep 4.0L
    • Jeep TJ
    • 23 replies
    • 15.6k views
    • 
    • Moses Ludel
    • September 27, 2014

17. 1990 Jeep YJ Wrangler 2.5L Choking Down and Starting Problems

    By mtjeep82, August 19, 2015   

    • Jeep Wrangler
    • Jeep YJ
    • 23 replies
    • 9.4k views
    • 
    • Moses Ludel
    • February 12, 2016

18. Jeep yj wrangler 2.5l TBI running rich

    By Carlos, March 30, 2017   

    • 1988 jeep
    • jeep yj
    • (and 3 more)

      Tagged with:

      • 1988 jeep
      • jeep yj
      • jeep wrangler
      • 2.5l tbi
      • 2.5l tbi rich
    • 23 replies
    • 10.9k views
    • 
    • Moses Ludel
    • April 28, 2017

19. Converting an AX5 to External Slave Cylinder

    By Diamond Jr, April 18, 2014
    • 21 replies
    • 15.2k views
    • 
    • Moses Ludel
    • December 31, 2017

20. Jeep YJ 2.5L TBI Rough Idle and Very Little Vacuum

    By 2point5liter, June 8, 2014   

    • Jeep YJ
    • 21 replies
    • 14.6k views
    • 
    • Moses Ludel
    • June 28, 2014

21. 1990 Jeep YJ Wrangler 4 Cylinder Performance Issues

    By Sinisterwillys1940, May 10, 2017   

    • 1990 jeep
    • yj wrangler
    • (and 4 more)

      Tagged with:

      • 1990 jeep
      • yj wrangler
      • 2.5l tbi
      • 2.5l troubleshooting
      • defective o2 sensor
      • jeep o2 sensor
    • 20 replies
    • 1.7k views
    • 
    • Moses Ludel
    • May 30, 2017

22. Jeep YJ Wrangler 4.2L Fuel Supply Issue or Vapor Lock

    By Alberto_YJ, November 16, 2016   

    • bbd
    • carter
    • (and 3 more)

      Tagged with:

      • bbd
      • carter
      • 4.2
      • yj
      • jeep
    • 20 replies
    • 14.2k views
    • 
    • Moses Ludel
    • December 14, 2020

23. 1990 Jeep Wrangler 2.5L Performance, Idle Issues and EGR Trouble

    By Sinisterwillys1940, December 28, 2015   

    • performance and idle issue
    • jeep 2.5l tbi
    • (and 2 more)

      Tagged with:

      • performance and idle issue
      • jeep 2.5l tbi
      • jeep 2.5l egr valve
      • jeep egr trouble
    • 19 replies
    • 9.1k views
    • 
    • Moses Ludel
    • August 3, 2016

24. 1990 YJ Wrangler Rear Shock Mount Questions

    By forman, February 5, 2015
    • 19 replies
    • 4.3k views
    • 
    • Moses Ludel
    • April 6, 2015

25. Jeep 1990 YJ Wrangler with lift has a loud banging somwhere in the drivetrain

    By Sabueso, January 27, 2017   

    • driveshaft trouble
    • loud noise
    • (and 9 more)

      Tagged with:

      • driveshaft trouble
      • loud noise
      • yj 2.5
      • snapping noise
      • jeep yj
      • jeep wrangler
      • jeep troubleshooting
      • lift kit
      • dana 35 axle
      • jeep axle
      • jeep differential
    • 17 replies
    • 4.3k views
    • 
    • Moses Ludel
    • April 11, 2017

26. 1990 Jeep YJ Wrangler's AX-15 Transmission Pops Out of 3rd Gear

    By rgpressler@suddenlink.net, July 30, 2015
    • 17 replies
    • 5.5k views
    • 
    • Moses Ludel
    • August 22, 2015