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    Jeep Grand Cherokee 2013: Unexplained warning light

    Jeep Jeep Advice Jeep Grand Cherokee Jeep Grand Cherokee Advice Jeep Grand Cherokee 2013

    I've read numerous reports of unexplained engine warning light operation on diesel Jeep Grand Cherokees, so I thought I would share my experience of this issue. On several random occasions my 2013 model showed the engine warning light symbol, which would remain on for some time before going off. It was disturbing enough for me to go to my dealer to have it checked out. No real answer was found until I checked the owner's manual and discovered that the warning light can be triggered by failing to tighten the fuel filler cap more than three or more clicks. At no time did the Jeep service people mention this as a possible cause. I have not experienced this problem again, except when I forgot to tighten the filler cap correctly. I hope this helps other owners.

    Answered by CarsGuide
    15 October 2015
    Graham Smith

    It's something worth checking for anyone who is having the warning light come on without explanation. Could be a simple fix.

    Disclaimer: You acknowledge and agree that all answers are provided as a general guide only and should not be relied upon as bespoke advice. Carsguide is not liable for the accuracy of any information provided in the answers.
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