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Fuel Leak

tps22
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tps22 Member

tps22

Posted
Posted

I just purchased a 2001 C4 with about 60,000 miles on it. In the first few days of ownership, I got a couple random whiffs of a gas smell that I suspected was coming from the car, but couldn't pinpoint it. Yesterday, I noticed a small puddle of gas under the front of the car, between the front wheels. I filled up on this day and it's the first I've noticed anything leaking.

There has been no more leaks, but I definitely smell gas when near the fuel door now. 

Any ideas on what might be causing this? I've searched the forum but can't find anything on point. The car seemed to be driving fine and fuel economy was on par with the EPA estimates. 

Is it safe to drive or do I need to tow it to a shop?

Thanks in advance.

Ahsai Member

Ahsai

Posted
Posted

I strongly suggest you take it to a shop to check for fuel leak. Basic safety issue. If the puddle of gas was truly from your car, I would be very concerned.

porschedude Member

porschedude

Posted
Posted (edited)

A couple things, did it happen after you filled the car? It could be that fuel dripped into the scupper and out scupper drain.

 

Is it the fuel cap installed improperly and venting fumes. That should show up as failing the internal test and give you a CEL 'Check Engine Light'.

 

lastly it could be the fuel filler neck at the top of the filler port on the inside of the fender.

 

I can't recall if there is a drain hose coming from the scupper drain that should poke out of the belly pan. It could be scupper fuel leaking on the top/inside surface of the belly pan and leaking some distance from the drain.

 

Keith

Edited by porschedude
GromitInWA Member

GromitInWA

Posted
Posted

Mine had a leak in the fuel line from the fuel sender. It is located under the battery tray. Fuel had pooled on top of it.


Sent from my iPad using Tapatalk

  • 2 weeks later...
tps22 Member

tps22

Posted
  • Author
Posted (edited)

Thanks for the replies. I ended up driving it home 450 miles without issue and took it to the dealer.

 

Turned out to be the fuel filler neck gasket. A $30 part but $300+ in labor plus half a tank of fuel drained. 

 

UPDATE: Nope, that wasn't it. Still strong smell of fuel.

Edited by tps22

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