Quote:
Originally Posted by Cashburn
Your tank by design is vented through the gas cap. But that will not cause a fuel smell while driving. More than likely you have a small (or several) leak along your fuel line (perhaps even the return) that is misting when you are running and it is minor enough that it will not puddle or drip, but rather evaporate.
You need to run your hands along the whole system of hoses and fittings.
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Cashburn is correct. I had a gas fume smell (stench) that lingered in my garage for days and finally found a very slight leak at my fuel pump. Just a couple drops were collecting on the bottom of the pump and that was enough to set up a terrible stench. It wasn't leaking when not running - it was all from the couple drops left from the last run. After fixing that I now just have the customary exhaust fumes that every old car has and that usually dissapate after a few hours in the garage.