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Jeep Wrangler Maintenance and Repair Questions (1997 - 2006)

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  • i finally was able to check what was wrong with my jeep today and it only told me that the O2 sensor was bad. last time i had it checked the ESI circuit was also malfunctioning but oh well. i bought the part and i'm hoping to get it on later today.
  • mblack3mblack3 Posts: 10
    i had the same problem with my 1997 wrangler it was the oxygen sensor before the cat converter fixed the problem
  • drewmeisterdrewmeister Posts: 168
    All,
    I have an 04 Unlimited. In cold weather, especially below freezing, it has developed a bad buzz at part throttle. Here's the parameters:
    -Sounds like it's coming from the firewall
    -Heavy vibrating buzz. Would sound like a quarter on your table when a train goes by, or placing it on a subwoofer.
    -Only happens in gear (auto) and only at the first few millimeters of throttle pedal.
    -Took the dash top and radio and ac controls out but could not seem to get closer to it. Wonder if it's coming from the engine compartment against the firewall?
    -Totally not present once the gas goes farther down or at highway speeds. Repeats going away from every stop.

    It's bizarre, and something I'd rather just quickly fix rather than wait all day at the dealer, but it has totally eluded me so far.
  • dave__dave__ Posts: 80
    I have exactly the same issue on my '04 X Automatic. It only happens right around 1,000 rpms. It's quiet below and above 1K. I haven't tried to solve the problem yet because all of my free time is being sucked into my basement finishing project...

    I hope someone has an easy fix. So far mine has been to turn the radio up louder. :)

    Yours in Jeep Coolness,

    Dave
  • I have a 1997 Jeep Wrangler with 94,000 miles. There is a starting problem when the engine is hot. When the engine is cold, there are no problems. Getting gas is a perfect example of the problem. Turn the jeep off for a couple of minutes, go to start it and it turns and turns and turns. Then I have to turn the key back and try again. Usually the second try it starts up. Yesterday was the first time that I had to turn it three times. It's only when the engine is hot. It hasn't stranded me yet. Does anybody have any idea what this could be? Thanks a lot.
  • mac24mac24 Posts: 3,910
    Start with the basics. How many miles ago were the plugs/wires/cap/rotor changed? Although it's likely to be fuel related, having a marginal ignition system won't help.

    Assuming the ignition is ok, then the most likely cause is a leaking injector(s) causing an over rich mixture. Next time you try a hot start, hold the gas pedal to the floor while you turn the key (and let it up as soon as the engine fires). If it fires straight away then that was your problem.
  • jt828jt828 Posts: 12
    I just bought 1997 wrangler it has about 4" of lift on it, when i'm in 3rd at about 30mph or so while the motor might be under a bit of strain the left front wheel will for no apparent reason just start bouncing perfusley i have shook everything and everything appears to be as tight as can be
  • mac24mac24 Posts: 3,910
    It's not unusual with a lift over 3". Torque reaction combined with a raised center of gravity. If you push it a bit harder you'll get the wheel right off the ground.

    What type of lift do you have?
  • 99tjguy99tjguy Posts: 2
    Now I can't turn the ignition on (but the key comes out: :shades: )and I am having to start it with a screwdriver. The release for the tumbler will not work because I can't turn the key...How do I get it out? :mad:

    Does anyone know where I can get a replacement bracket that holds the key release button for a 1999 Jeep TJ???? :confuse:

    Any help will be appreciated.

    Thanks!
  • jt828jt828 Posts: 12
    i just bought the jeep yesterday so i do not know yet is there any way to fix this problem that you know of?
  • mac24mac24 Posts: 3,910
    Sorry to spoil your day, but here's a quote from the '99 FSM:

    "On vehicles equipped with a manual transmission,
    a lever is located on the steering column behind the
    ignition key lock cylinder. The lever must be operated
    to allow rotation of the ignition key lock cylinder. The
    lever mechanism is not serviced separately. If repair
    is necessary, the steering column assembly must be
    replaced."


    It's hard to tell what's causing your problem without actually seeing it, but you should be able to remove the lock cylinder and tumblers by drilling it out. You may then be able to fix whatever is causing the lever to jam. A new cylinder can be obtained from the dealer.
  • mac24mac24 Posts: 3,910
    Assuming that the lift has been fitted correctly and that nothing is loose, then apart from fitting a lower lift there's nothing to be done.

    A 4" lift on a short wheelbase vehicle like a Wrangler has a much greater effect on the c of g and the handling than it would on a longer vehicle like a full size F250.

    Unless you have a specific need for 4" of lift, a 2" - 2 1/2" lift is much more vehicle and user friendly on a Wrangler.
  • jt828jt828 Posts: 12
    I have jacked it up and shook everything and i cannot find anything loose. How bout a stabilizer between the spring and stabelizer arm do you think that may correct anything. and the thing about the lift is it had 35x12.50 on it and as i said i just bought it yesterday
  • jetfan1jetfan1 Posts: 1
    Just bought a 93 jeep wrangler and when driving it it does not have a winding noise and i think on rear end noise when u let of the gas it should quit, but it dont seems like tire noise but kinda sounds like something rubbing or grinding, but checked underneath but dont see anything rubbing kinda sounds like a grinding noise and when you hit the brakes it dont make a differance but a highway speed you dont hear it,only a a slower speed or coming to a stop hope it is not rear end :cry
  • lanceklancek Posts: 3
    Just bought a 99 wrangler and don't know how to fold down the soft top. If anyone could help i really would appreciate it.
  • dnashdnash Posts: 35
    I have a 2000 and have the same problem. I am pretty sure I know the root cause, but I have not explored getting it fixed yet. (has been going on for several years) I was out on the golf course when an afternoon shower hit. Unfortunately, the top was down. I believe that water went into the steering column throught the hazard switch on top (you would think they would design it to handle this). I am assuming something is corroded or shorted in the hazard switch. When the brakes are pressed, it probably diverts the current away from this switch. Same with the turn signals. I think I have had intermittent issues with the turn signals, although I can't see them every time so I am not sure. If you get it fixed, please post the details.
  • jt828jt828 Posts: 12
    Problem found for those intrested it was a seperated belt in one of those 35x12.50 (left front)
  • 95yj95yj Posts: 1
    I have a '95 Sahara 4.0 6 cyl. My battery drained so I removed the alternator and had it tested. It showed that it was bad so I replaced it. The new one won't charge the battery, but it tested good. Charge is getting to the battery, but not a full charge. All connections are tight. Battery is good. Any ideas?
    Thanks
  • I seem to have the same symptoms; '97 Wrangler 4.0. I was reluctant to drop the gas tank and replace the fuel pump. However, I strongly suspect the fuel pump and I have replaced the coil recently. This problem was very intermittent at first but is happening much more often now.

    Please let me know how you are progressing on solving your problem.
  • jvprjvpr Posts: 48
    I have a 2004 Jeep Wrangler X and have to say that it's the biggest nightmare that I have ever owned. I will never buy another Jeep or Chrysler or
    American car ever again! The Jeep bounces you around. You can't hear the radio.
    You can't talk to anyone on a cell. It has no pickup. I've taken the roof off
    once- and NEVER AGAIN! It was such a headache to put it back together. It
    guzzles gas like crazy. It has no handling. The glove compartment is too small.
    You have to hold the gas hose while pumping gas and can't let it sit alone.
    Picking up dry cleaning is a pain because there's no where to hang anything. I
    have no trunk so when after I play golf I just can't leave my golf clubs in
    there. I have had to put patches on my tires four times already and the tires
    wear at an abnormal rate. The jeep has no wind aerodynamics- so on an open
    highway- you get blown everywhere and I have to struggle to keep this crap on
    the road. I'm done with it. Tomorrow I'm trading in for an Ultimate Driving
    Machine and can't wait!
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