Question about 2004 Jeep Grand Cherokee

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2004 Jeep Grand Cherokee

I have 54,000 miles on my 2004 JCG the Malfunction Indicator light is staying on, Why Seems to be running fine. What do I need to Do!

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  • strawboss58 Nov 10, 2008

    In the ower's manual it is listed as Malfunction Indicator Light # 9, and as of this morning it has stayed on when running , seems to be running okay guages all look good, but for some reason this light is on, not flashing on constient . Is this apart of the check engine light , I m not sure?

  • strawboss58 Nov 11, 2008

    Yes, It is a Amber color. I will do this and let you know what the trouble code test is.

    Thank you

  • strawboss58 Nov 13, 2008


    update for the 2004 jeep, I filled the gas tank this morning , put some Lucas Oil in the tank ,the light went out. and has not been on since. Still plan on taking the Jeep to Auto Zone to run emission system check . but right now seems to fine. Thank you again for your Help.

  • bcupton12 Jan 07, 2009

    We have a 2005 Jeep Cherokee, the malfunction light stays on. we have send it in for a service but the light is still on.

  • yadayada
    yadayada May 11, 2010

    Do you mean the check engine kight?


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  • 71,288 Answers

Is it amber coloured? If it is have Auto Zone, Kragen or any chain parts store run a emission system trouble code test, then post the code back on this thread, let me know.

Posted on Nov 10, 2008

  • yadayada
    yadayada Nov 13, 2008

    Most likely there is either a gas cap that was not properly tightened or one of the O2 sensors is starting to fail.


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