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Every time I turn my van off, I smell gas outside the car. What is wrong?

(2005 Dodge Caravan)
in Memphis, TN on December 16, 2011
This only happens when I have been driving the car and I only smell it outside the car. Nothing, that I can see, is leaking from the car, and I never smell the gas inside of the car. I will be able to smell gas like 30 minutes to an hour after I turn the car off. What could this possibly be?
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Popular Answer
of Greg's Orange Auto on December 16, 2011
1st have your gas cap tested, the pressure in the tank could be letting vabors escape thru your cap. for like $8 just replace it and see if that fixes the problem
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