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Gurgling Noise when removing fuel cap

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Old 05-19-14, 08:48 AM   #1
looknow12
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Default Gurgling Noise when removing fuel cap

I'm getting a loud gurgling type pump noise when removing the fuel cap. It is really something I have never heard before on any vehicle. It's not a quick hissing noise. It is a constant motor type noise coming from the fuel filler. I tried it again today because the dealer was there, but since I have a 1/2 tank of gas it did not happen.

Each time I have needed to fuel up, I've heard it. So I suspect this noise occurs when the tank is low...within 3-4 gallons left.

Has anyone else heard this?
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Old 05-19-14, 11:00 AM   #2
tecman
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I have heard it on my GX, just figured it was a Lexus thing.
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Old 05-19-14, 11:11 AM   #3
T4Fun
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hiss ive heard, but not the not the noise youre concerned about. is it the fuel system doing its check?
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Old 05-19-14, 02:35 PM   #4
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To clarify, this happens when the truck is running. Maybe it is a fume safety pump?
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Old 05-19-14, 03:40 PM   #5
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I did some Googling and found this.
http://www.toyota-4runner.org/5th-ge...-gas-tank.html
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