Question about 2004 Porsche Cayenne

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Cayenne S won't start after filling up gas

After filling up with gas (full tank or alf tank) my Cayenne S only starts after 3 or 4 attempts. It doesn't show any error code. After starting, I have no more problems, untill the next time I fill it up.

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I have same problem most of time was filling gas.
will change the evaporator or tank valve this weekend will post the results.

Posted on Sep 02, 2010

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  • chachxianid Jan 28, 2011

    it's written on the gas reserve cover "don't full it":))

  • Voduyphung Jan 28, 2011

    I replaced canister valveand problem gone included all error code p0441, p0445

  • Juli Brown
    Juli Brown Jun 13, 2014

    Test your fuel pump please it might be going out.

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Posted on Jan 02, 2017

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