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Subject:Re: Why Fuel Level Might Affect Performance
From:Per Lindgren
Date:Wed, 19 May 1999 16:16:01 +0200

Charles Johnson wrote:

> When you take the gas cap to fill up, does air go rushing into the tank?  I
> had a rabbit that did that and at the end of the tank there was such a
> vacuum, that the fuel pump was not able to pull enough fuel from the tank.
> There should be a small vent on the cap which will allow air to replace the
> used fuel in the tank.

On VWs (probably Audis too), you can usually see on the underside of the cap if
it is vented or not. If you've got the word "entl�ftet", the cap is vented. Or,
as it says on both my 88 Syncro and my 73 Square, "ohne l�ftung", the cap is
not vented.

PerL
88 Syncro 112i