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Old 09-18-2016, 07:36 AM   #1
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Smelling Gas

I switched to Ethanol free gas a week ago and now smell gas in my garage when I park my Boxster in it. There is no gas leak, did not overfill, passed inspection in Colorado in May 2016; they checked the gas cap at inspection station for leaks as part of annual inspection, no codes, does not smell in cabin of Boxster.

What are your thoughts to this dilemma?
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Old 09-18-2016, 09:41 AM   #2
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There is probably a crack on the top of the gas sending unit. I had the same problem and smelled gas after fill up and parking. Common problem on the Boxster.
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Old 09-18-2016, 09:45 AM   #3
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Long shot; take a look at the o-ring on the cap. They can crack as they age.
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Old 09-18-2016, 10:05 AM   #4
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Quote:
Originally Posted by ohhh my View Post
There is probably a crack on the top of the gas sending unit. I had the same problem and smelled gas after fill up and parking. Common problem on the Boxster.
Ok, I'll check that out; it only happened when I filled up with Ethanol free not Ethanol gas; where is the fuel sending unit located?

Thanks,
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Old 09-18-2016, 12:20 PM   #5
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Sorry, wrong post.
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Last edited by thstone; 09-18-2016 at 12:29 PM.
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Old 09-18-2016, 12:32 PM   #6
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Quote:
Originally Posted by Ciao View Post
.. where is the fuel sending unit located?
Here is all you need to know: Boxster_Tech/22-FUEL-Fuel_Pump
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Old 09-30-2016, 07:49 PM   #7
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Here is all you need to know: Boxster_Tech/22-FUEL-Fuel_Pump
Computer was reset; no problems with fuel pump, or anything else; fuel smell gone and Porche is running fine
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Old 10-07-2016, 12:23 PM   #8
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Ciao, what finally solved your gas smell problem? I had exactly what you describe, and it turned out to be a clogged fuel filter.
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Old 10-07-2016, 06:43 PM   #9
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The computer was reset. Gas smell is gone. Scanning showed too much fuel was being sent to TB resting the Computer fixed the problems
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