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Thread: Strong gas fumes when tank is full

  1. #11
    Caught the Bug
    Join Date
    Mar 2015
    The OC
    My 07 had this issue, I replaced the keyed gas cap (which passed smog no problem) with an OEM non locking gas cap and it went away....

  2. #12
    Knows a Thing or Two Lojo's Avatar
    Join Date
    Sep 2018
    Central Valley California
    Quote Originally Posted by GeoWillys View Post
    I have a 15 jk Willys and had that problem. Since I have an extended warranty I took it to the dealership and they found there was an issue where the filler neck connects to tank. Don't remember what was exactly wrong but they ordered a part and installed it. No more gas fumes.
    Rubber grommet connects the two. They get cracked from heat and cold over time. Can cause fumes or even a fuel leak. I ran into a similar issue on another vehicle.

    Sent from my iPhone using WAYALIFE mobile app

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