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Old 07-01-2003, 08:49 PM
hbofinger hbofinger is offline
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Join Date: May 2002
Location: Washington, D.C.
Posts: 398
I explored the problem further....

I took out all the interior of the trunk, and I found the same gasoline deposits on top of the right wheelwell (white with brown dots) as I found on the inside of the gasoline filler tube (right by that wheelwell). Seems to me that this has happened intermittently on this car over the years. I checked for leaks and found none (if the gas tank depressurizes with a hiss as you remove the gas cap, you KNOW you don't have a leak, because the air used to pressurize was not able to escape until you removed the cap!)

Temperatures change rapidly here in Washington, D.C. I now never top off anymore, and have had no recurrence of the problem. So I guess the rule is once the pump stops, you stop fueling.
Henry Bofinger
1989 560 SEL (black/black)
2001 Audi TT Roadster (silver/grey)
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