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  1. YJ Technical Discussion
    I am once again having problems with my YJ! I have a 2.5 5 speed Yj and after numerous proposed fixes, none have fixed my issues. (See previous thread for attempts) I had no fuel pressure at the rail and decided to just put a new pump in to see. Now the pressure will rise to 50psi with just the...
  2. JK Technical Discussion
    So I have a 2008 wrangler with 165k. It started off one day just wouldn't start so we replaced the starter still had issues right after. Had the grounds checked everything seemed OK seemed to only do this when hot. I sent the ecm out was told it was repaired. It does it agian so we tried...
  3. JK Technical Discussion
    Hello all. New to the Jeep community and loving my 2017 JK. I have developed an issue the past few days I was hoping to get some advice on. Randomly my Jeep won’t start. The red security light above the temperature gauge flashes and hot oil message shows up on the odometer. If I keep trying the...
  4. YJ Technical Discussion
    I have a 95 yj rio grande it starts runs for a few seconds then quickly turns off. I was having similar problems last year and after replacing the distributor, spark plugs, and spark plugs wires it ran fine this problem seems to begin occurring in the cold I have also just replaced the crank...
  5. YJ Technical Discussion
    Hey guys ! First post on this forum. I have been a long time reader before I made my account. So my whole story is I got a jeep from my family, the jeep sat for a year, and they had to cut the vacuum lines due to a stray cat eating them up. When I got the jeep, there was no vacuum lines I have...
  6. YJ Technical Discussion
    Okay guys I'm hoping somebody can help me out. I have a 1995 jeep wrangler with the 4.0 and a 5 speed. I bought it not running for a project. I am mechanically inclined as I grew up on a farm, but I just cant seem to track down the problem. Jeep turns over great and the fuel pump runs but never...
  7. TJ Technical Discussion
    2000 4.0L manual transmission. Receiving the no bus message on the dash, no gages, cranks but no start. Replaced the PCM, Crank Position Sensor. Rebuilt the engine 1000 miles ago and just finished replacing the clutch so all new components including the Camshaft Position Sensor, alternator...
  8. YJ Technical Discussion
    I am in the process of swapping a 1993 cherokee 4.0 motor into a 1990 yj which previously had the 4.2 liter. It is a pretty rough jeep and only going to be used on trails and around the property so I am fine leaving it pretty rough around the edges as far as wiring and look. What I know Right...
  9. YJ Technical Discussion
    Hello!! I’ve got a no start situation after rebuild of my 4.0 engine. Its a 1995 yj se. I know for a fact these things are OK: ignition switch, Starter and components, starter relay, battery, all cables and grounds. I am beyond confused. I can manually turn over the engine by popping the starter...
  10. JK Technical Discussion
    I have a 2013 Sahara (Automatic with Remote Start) and it is not starting. symptoms: The Jeep does not crank. All of the dashboard lights come on and function normally however a lighting bolt and check engine light stay on. We checked for codes but the jeep isn't giving any. more over we had a...
  11. TJ Technical Discussion
    Hi all, 2005 tj wrangler X 4.0 manual 145,000 miles. Owner #6. black "dumb" key I've had it for 4 years, only major items were water pump and seized starter about 2 years ago, both replaced myself as I prefer the DIY approach. I now have a no crank/ no start issue that creeped up...
  12. TJ Technical Discussion
    This is a 2006 LJ with 4.0 automatic I was driving home from work going 45 mph and the engine just cut off, coasted to a side street. Have lights on my dash (no key, fuel light, seat belt and engine light) but gauges show nothing, engine would not crank not even a sound. Had it towed home...
  13. TJ Technical Discussion
    Swapped out my 97 Tj 4.0 engine, manual tranny and at 1st start up it ran rough due to crossed plug wires but after correcting that started it up again ran perfect for about 10 mins then stalled. Started it up again ran great for about 5 mins and stalled again. Started it up again and it ran for...
  14. JK Technical Discussion
    Good afternoon everyone, I'm in a bit of a pickle. Last night on the way out to go fishing, I charged in to a "puddle". Subsequently, the ABS system lit up as "puddle" pulled me in toward the curb. The motor continued to run for remainder of the block until it stumbled to a cut off. As I...
  15. TJ Technical Discussion
    Need some good advice from a seasoned mechanic. Have a 99 tj with 2.5 manuel. Not getting gas to the fuel rail. Things I have done. New battery, new fuel pump, crankcase sensor, camshaft sensor. Have checked all relays and fuses. Power is at fuse block. Will run with starter fluid. All gauges...
  16. TJ General Discussion
    Have a 99 tj with the 4cyl manual. When I parked it was running great. Went out a couple of days later. Jeep want start. Getting fire but no fuel. Fuel gage is showing way below empty. Things I have replaced. New battery ( needed one any way), crank sensor, cam shaft sensor, fuel pump. Changed...
  17. JK Technical Discussion
    About a month ago I went hiking, upon return of my 7 hour hike my 2015 JKU would crank but no start. It almost caught once then stalled out and died. Following attempt would just produce crank and no start. Nothing on the dash indicating an error. Tried giving it a jump, was not the issue...
  18. TJ Technical Discussion
    I bought a rolled 04 wrangler turns over good but no start -skim light is on but not sure if it would go away if it crunk up - odometer lights up and other lights on dash but gauges don’t move - doesn’t seem to be getting fire and can’t hear fuel pump coming on - swapped relays under hood to...
  19. YJ Technical Discussion
    I was getting no fuel pump and no check engine light. So I replaced the capacitors in the ECM. Thought that did the trick but I can only get about 1 start and then no check engine light again. I have to let the jeep sit overnight before it will start again. Any help is massively appreciated...
  20. JK Technical Discussion
    Need some help here. I just had a stereo installed at a shop (Kenwood DDX9704s with a Maestro rr). Install went smooth and everything works with the exception that it simply will no longer start. We went through the fuses and did find a couple that were blown and replaced them. I know the...
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