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What is your question?
I have experienced the smell of gas while idling even when warmed up. The dealer spent hours upon hours trying to figure out what is wrong and has been unsuccessful.
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The best way to locate a gas smell which is a small leak, is to use a 5 gas analyzer and probe for the source of HCs. This machine measure them in parts per million and it is what i use. I would run a Nitrogen pressured Evaporative System leak test as well. If it fails this test then you know you have a fuel system leak. Do you have any Check Engine Lights coming on?