Gas smell/Leak pooling top of gas tank

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Lallybroch

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Jun 18, 2013
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HI all,

Can you anyone help with this? I have 2001 Tahoe 5.3 engine with an intermittent re-occurring gas smell. The top of the gas tank is constantly wet but no drips. Pressure is fine. Gas gauge is 100% accurate. The Evap canister has been replaced. The seals on the gas tank were replaced. The two fuel sensors above the tank and to the right of the tank were replaced. The gas tank was tested and is not leaking. Fuel lines don't appear to be leaking. Does any one have any idea as to why the top of the tank is wet?
 
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