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Gas fumes under truck but no leaks,Cap OK

(2003 Chevrolet Trailblazer)
in Twinsburg, OH on December 10, 2013
Dont know if canister or valve bad.
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Popular Answer
on December 10, 2013
If the canister is easily accessible I would take it off and see if it's saturated, you can usually tell right away by how much it weighs and if you can smell raw fuel in it.
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