Question about 1998 Jeep Wrangler

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My 1994 jeep wrangler 4.0 litre has a fuel problem it acts like it runs out of gas

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  • redmud Aug 13, 2008

    jeep, ( 98 4.0 ) chugs once in a blue moon, and i'll have to pop out of gear and rev the rpms to get her motorin' again, what's up!!! Already replaced sending unit since I was having level indicator problems anyway, still chuggin' now and again.

  • gone_jeepin Nov 29, 2008

    I have a 98 2.5 and the same thing is happining and i replaced the fuel pump 3 times and dident fix it so thats not the problem

  • lcarsey1 Feb 10, 2009

    I have a '94 jeep wrangler that idles fine but when you accelerate, it
    dies out. Seems starved for fuel. Could the fuel pump just not be
    giving it enough fuel?

  • bpsfaxtest May 11, 2009

    Had the starvation issue at one time on my 94 wrangler 4.0. Replaced the fuel filter etc. Turned out to be the fuel sending unit in the tank. It has a boot that had failed and was getting effectively sucked in to the openings where fuel was supposed to be flowing. (Per Jeep dealers explanation)
    Replace the top seal of the fuel tank when you do this. Dealer screwed up my gas gauge when they did this repair so watch out.


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Is the gas old? Try New gas and getting Fuel Injector Cleaner.

Posted on Jul 23, 2008

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I had the same Problem it was the O2 sensor Bank one. the sensor before the Cat. At least it worked for me. Good Luck.

Posted on Mar 02, 2009

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