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Discussion Starter #1
Hi everyone, I searched for this particular issue online as well as on the forum and I can't find any mention of this issue.

I have a 2012 Mazda 3 2.5 hatch. When I fill the tank there is fuel leaking from somewhere around the tank at the bottom of the car. It's enough to puddle under the car. There is no fuel smell at all in the cabin so fairly certain it's not something like the fuel pump/tank seal. I'm guessing it is probably the feed or return line to the tank.

I haven't had a chance to get it up in the air to poke around as it just happened last night. I just wanted to see if this is a known issue or if anyone has had and fixed the same issue.

Thanks for any help!
 

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Don't fill the tank up so much and get it to a reputable shop, possibly even the dealer. A fuel leak is nothing to mess around with and DEFINITELY not something to fiddle with on your own.
 

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Discussion Starter #3
Don't fill the tank up so much and get it to a reputable shop, possibly even the dealer. A fuel leak is nothing to mess around with and DEFINITELY not something to fiddle with on your own.
Thanks, but I'm very well versed in the mechanics of cars and working on them. I am just looking for any info that someone may have that has had the same issue before I dig in.

Yes, in the meantime I am going to only fill it about 3/4 tank to keep it from leaking, especially with it being so close to the exhaust.
 

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Discussion Starter #5
I am having the same issue with my 2012 Mazda 3, what did you determine the issue to be?
It was the breather hose that runs from the top of the fuel tank up the filler neck. It's a $40 hose and kind of a pain to install, but if you lower the tank a little by lossening the straps and contort your arms and hands, it's doable without removing the entire tank.
 

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It was the breather hose that runs from the top of the fuel tank up the filler neck. It's a $40 hose and kind of a pain to install, but if you lower the tank a little by lossening the straps and contort your arms and hands, it's doable without removing the entire tank.

Hi, I'm having this same exact issue with my 2012 Mazda 3 and took it to a Mazda shop....they said it was the breather hose and quoted me $905+tax. What is a reasonable price to get this fixed? Even with labor, this seems a little high to me, especially because the part is only around $40. Any help would be greatly appreciated!
 

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Discussion Starter #9
Hi, I'm having this same exact issue with my 2012 Mazda 3 and took it to a Mazda shop....they said it was the breather hose and quoted me $905+tax. What is a reasonable price to get this fixed? Even with labor, this seems a little high to me, especially because the part is only around $40. Any help would be greatly appreciated!
That's insane. I bought the part for $40 and installed it in less than an hour. I think they are quoting you on dropping the gas tank. It can certainly be done without dropping the tank, I did it. Maybe take it to an independent shop and ask them if they can do it without dropping the tank.
 
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