Question about 1999 Mercury Mountaineer

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Raw gas smell on 1999 Mercury Mountaineer at rear of vehicle

Now knowing that your not suppose to "top off" your gas tank, I fear I have ruined a major component of the emission system. Since I smell raw gas all time... constant. There are two components on the back by the frame that has one gas line and one rubber hose going to it. What are they, and can they go bad???
Please advise.
Thanks
Pete

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Sometimes overfilling will mess up the evaporation canister which absorbs gas fumes. I would have it checked.

Posted on Nov 16, 2008

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