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  1. Classifieds Archive
    PA: WTB 95 YJ 2.5L Engine Engine in my 95 2.5L started knocking, looking for a direct swap engine.
  2. YJ Tech Forum
    I have a 1989 YJ with 2.5L 4cyl engine. Recently been having weird idle issues. It seems to vary between 1200rpm to 1800rpm. Sometimes got up to 3000, but after a couple seconds, comes back down. Not sure where to start. As I'm a Jeep noob, I would appreciate any help possible.
  3. YJ Tech Forum
    Hi Everyone. First time posting a question. Well i have my first YJ. I had a TJ from 2001-2006 and had to sell it to get something more efficient for commuting. So im finally back in the Jeep life and am rebuilding a 1990 YJ 4cyl. So far i have done all sorts of TLC and fixes. I just put...
  4. YJ Tech Forum
    The motor in my 95 YJ is trashed. I found a 97 TJ 2.5 for a really good price. Can I simply take the old motor out of my YJ and put the 97 2.5 in. Both the 97 and the 95 have the AX-15 transmission. My jeep previously had the 2.5 and I would prefer to keep it that way Any advise on this...
  5. TJ Tech Forum
    I have a 1997 Jeep Wrangler 4 Cyl and the idle is at about 2k rpms in park, but only when the engine is warmed up, When I start it up and it's cold it idles normal. I have replaced: Idle Air Control Throttle Position Sensor MAP Sensor Also, when in drive, in a flat parking lot if just take...
  6. TJ Tech Forum
    picture the scene. i am running 31" tires on my 2.5l 4 banger and i live in a place that is covered with hills. i have been looking into re-gearing to 4.56 to try and get my 5th gear back. i am a little tight on money and don't want to buy the cheapest gears out there. i am trying to save some...
  7. TJ General Discussion Forum
    My stock 2.5 muffler is shot. has anyone tried the dyno max ultra flo stainless steel muffler? if so how did you like it/ what was the sound like? or should i just go with the dynomax super turbo. almost had my buddy mount up a banks monster stainless that was lying in the muffler shop he works...
  8. Iowa Jeep Forum
    I am a former yj owner. Mine was an 88 that had a 4.2 engine with an automatic tran. I am now looking for another yj and I am finding a lot of nice jeeps but most are 2.5 l. Any pros or cons? I think I would prefer a 6 cylinder. But just thought I would get some other opinions from people that...
  9. Exhaust and Headers
    I know that engine upgrades aren't the most popular subject on the forums, but I've got a 05 wrangler and I was thinkin about puttin a new muffler not the jeep. I'd love to see what y'all would recommend and video clips if you've got any. I was thinkin about puttin a flowmaster 40 series. My...
  10. TJ General Discussion Forum
    I've got a 05 tj 2.4L that has a periodic rough idle and sometimes when you're drivin it it'll sputter out and seem like it's gonna stall, but after a fee seconds the power comes back in and it'll run fine for a while after that. I've heard it might be a tps or a o2 sensor, I dont have any...
  11. TJ General Discussion Forum
    i have a 1997 jeep wrangler with a 4cyl. it has stock 15 inch rims. what are some ideas that i could upgrade to?? i wanna make the jeep look much nicer. it also has a 2 inch lift on it.
  12. TJ Tech Forum
    :banghead: Im sure people have had this problem because my local jeep dealer says it is a problem with many jeep/chrystlers right now. so here goes..i have a 2006 Wrangler SE, 2.4l 4 cyl 6 speed manual and this has happened twice..at interstate speed in 6 gear (55-65 mph) with the AC on the...
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