Question about 1997 Jeep Wrangler

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Jeep wrangler bucking

I have been having a problem with my 97 jeep wrangler.  sometimes when i accelerate my jeep starts bucking, almost as if it is not getting enough gas, and sometimes it also sound like it is backfiring while it is bucking.  also, when i go up hill sometimes i will be flooring it and will only be going 25mph, and the bucking and sounds will occur.  any ideas???

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  • navye-1 Jul 08, 2008

    I have the same problem as ali31166's jeep except one other thing is the RPM's will just randomly die I thought it was the fuel pump so i replaced both the fuel pump and the fuel filter but my engine light is still on and it is still having a problem with the RPM's and i have no idea what it could be

  • patwhitegolf Nov 09, 2008

    I have the same problem with my 97 4.0 Wrangler, it runs like it has a govener on it, just as it gets to about 1800 rpm it just dies out, it just cuts out or acts like its staveing for gas. I turned on and off the ing. switch and got several codes 12, 24, 14 & 55, do you know what this means?

    Pat

  • patwhitegolf Nov 10, 2008

    I met to also say that it start up just fine, it doesn't backfire and it never dies it always stays running, it just loses power at a certain rpm but regains power as long as I don't give it allot of gas. I notice but don't know if its normal there seems to be allot of black charcoal like materials around the exhaust? Although the exhaust does seems to be flowing fine. There is no Check Engine Light or any others on, had a exhaust leak at the header pipe but fixed it and that made no difference?
    Any help would be appreciated!
    Pat

  • whynotforgiv Nov 30, 2008

    my 97 wrangler with the 4 banger will backfire and die out going down the road, like it isnt receiving enough gas, could it b the o2 sensor?

  • hartfordpd22 Jan 27, 2009

    My 1997 4.0L Wrangler also bucks, backfires, and loses power. I've had it for about a year, it's got 137000 on the clock. Since having it, this has happened several times, but only lasted a minute or so. Today however, it seems to be doing it every time I drive it. Check engine has not came on. I checked the code via. ing. switch and only getting # 55. What should I do?

  • Anonymous May 11, 2010

    The first thing I would suggest is to find out what the check engine
    light is telling you. Get the code and let us know what it is.

    To
    get a code, turn the ignition on/off/on/off/on (within 5 seconds), and
    the odometer will display the codes in sequence. Write them all down
    and either Google the code descriptions or paste them here and someone
    (me?) will look them up for you.

×

1 Answer

I had a similiar problem it turned out be the catalytic converter. I believe there was a recall for this problem.

Posted on Jul 14, 2008

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