Question about 2005 Porsche Cayenne

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2005 Cayenne 4.5S has trouble starting after filling up with gas

I have an intermittent problem that once I have filled up the engine will not fire up. It sometimes feels like a flat battery but I have a had a new battery fitted. Could be fuel pump or ignition coil?

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If your talking about filling gas and motor cranck and is long at starting ,needs 2 or three trys , then you need to replace your engines tank vent valve in engine compartment on motor ,solenoid valve comes with plastic pipe, , note local porsche shop may even see stored fault in system and no check engine light on .

Posted on Jan 20, 2009

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It happened to my 2005 S....it was the purge solenoid.....

Posted on Jan 11, 2011

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