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Old 03-04-2012, 10:37 PM   #1
stsdude2
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Default everytime I Fill my gas tank, the car smells way to much like gasoline

Recently I have noticed that when ever I fill up my tank, whether its 10 dollars or 50 dollars, the inside of my wrx always smells really bad. my gas meter doesn't drop any faster, and I sniffed around the trunk to see if thats where it was coming from and found nothing. The car will air out and stop smelling after a few hours driving with the windows open, but next time I go to the pump it starts smelling, where should I be looking for a leak if I have one?
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Old 03-04-2012, 10:45 PM   #2
Uncle Scotty
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take it to the dealer and have them figure it out....fuel leaks like this are bad juju....
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Old 03-05-2012, 12:57 PM   #3
Bacon117
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Quote:
Originally Posted by stsdude2 View Post
Recently I have noticed that when ever I fill up my tank, whether its 10 dollars or 50 dollars, the inside of my wrx always smells really bad. my gas meter doesn't drop any faster, and I sniffed around the trunk to see if thats where it was coming from and found nothing. The car will air out and stop smelling after a few hours driving with the windows open, but next time I go to the pump it starts smelling, where should I be looking for a leak if I have one?
Filler neck would be my guess, but if you can't find it before your next fill up, take to to the dealer, as uncle scotty suggested. Heavy fuel fumes are really bad for you, not counting if it ignites.
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Old 03-05-2012, 01:40 PM   #4
1quickSTI
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If youve done a fuel pump install, make sure there are no broken bolts and you're not missing your gasket (happens alot ironically). If not, filler neck.
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Old 03-05-2012, 07:14 PM   #5
stsdude2
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If youve done a fuel pump install, make sure there are no broken bolts and you're not missing your gasket (happens alot ironically). If not, filler neck.
no fuel pump, probably the neck then, how can I access visibility of the filler neck from inside the car?
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Old 03-05-2012, 07:51 PM   #6
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no fuel pump, probably the neck then, how can I access visibility of the filler neck from inside the car?
you need a mechanic....
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Old 03-05-2012, 07:58 PM   #7
EdHilario
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^ Agreed.
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Old 03-05-2012, 08:24 PM   #8
stsdude2
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you need a mechanic....
I am a mechanic, or at least in training. Thats why I am trying to get an idea of where I should be looking.
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Old 03-06-2012, 08:30 AM   #9
Bacon117
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Originally Posted by stsdude2 View Post
I am a mechanic, or at least in training. Thats why I am trying to get an idea of where I should be looking.
What does "in training" mean? If you are at a vocational school, talk to your teacher about looking at it after class. The auto shop teachers I had were always willing to help.

And I mean no offense to you personally, but if don't know where to look for the filler neck, you are not as qualified yet as you need to be. It's like asking where the upper radiator hose would be. (Hint: start looking at the radiator). For the filler neck, start looking where you put gas in.
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Old 03-06-2012, 08:48 PM   #10
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This happened to me after I bought a SC300 with a 1jzgte swap. It turned out to be the tank vent. If I were you I'd work my way through the various components of the fuel system to rule them out and locate the issue. If any component of your fuel system has been worked on recently, start there. For instance, did you recently change your fuel filter or injectors?

1. Fuel filler neck (unlikely cause in my opinion) This is a simple system of a tube that runs to the tank. There is also an overflow hole beneath the gas cap.
2. Fuel lines - You've got 3 lines. 1 is the fuel supply 2 is the extra fuel return line and 3 is a vent line I believe (correct me if I'm wrong here guys)
3. Tank purge system - This system is designed to control tank pressure. There is a solenoid/valve that releases pressure into the carbon canister (This is a likely cause in my opinion)
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Old 03-19-2012, 09:49 PM   #11
jimmy5814
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Ok guys. I am new here and to subies. If I am going at this the wrong way please let me know. I have an 06 WRX with an 07 STI motor. I just bought my car a month ago and I have a strong gas smell just with the windows down. I just replaced my right side tgv sensor and noticed an open vacuum line. It comes from the solenoid, or whatever it is, on the right fender bout a foot away from the firewall. It has two vacuum lines on it but 1 is disconnected and I cannot see where it would go to. I am hoping this could contribute to the fumes smell. Thanks for any info.
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Old 11-24-2012, 09:55 AM   #12
pmac225
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I have the exact same problem on my 1999 Outback Sport. I had a mechanic replace the filler neck recently and that's when it started. I took it back and he replaced the fuel lines. I still smell fumes, but only when the windows are open. I suspect that either the filler line is defective or something wasn't connected correctly. The dealer in this area cannot handle the most routine repairs (ie wheel bearings). It would be nice to have some good theories on the cause before I take it to another mechanic.
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Old 11-24-2012, 01:49 PM   #13
jimmy5814
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Cool Aggravating fuel smell

Ok guys. I found my problem and thought I would add to the post. I had a vent line by the solenoid by the fuel tank that had cracked and came disconnected. Fixed the line and smell gone!
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