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air out of the gas tank ???

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Old Mar 22, 2010 | 09:27 PM
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95PhoRunner
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From: Corona CA
air out of the gas tank ???
When I remove the gas cap I hear air release from there. I've never had that happen with any other car. Any idea why this is happening?

Thanks
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Old Mar 22, 2010 | 09:29 PM
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that happens to me all the time prrty sure its just pressure releasing almost like a soda bottle
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Old Mar 22, 2010 | 09:33 PM
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From: Spring Valley, CA
pressure. happened in my 66 chevy, in my 1991 isuzu trooper, in my family's 2001 expedition, my moms new versa, my dads old ranger, and my 2001 F150. totally normal. dont worry!
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Old Mar 22, 2010 | 09:38 PM
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From: hendersonville, TN.
heat from the fuel pump creates pressure.
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Old Mar 22, 2010 | 10:09 PM
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its supposed to happen. just weather or not the manufacture calls for a vented fuel cap or non vented fuel cap...
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Old Mar 22, 2010 | 10:32 PM
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From: Corona CA
Thanks everyone!
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Old Mar 23, 2010 | 03:42 AM
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It probably is a plugged charcoal canister. The tank has a fume vent run into the canister, which equalizes the tank. Having excess pressure in you gas tank can sometime mess with your fuel gauge and cause problems with the fuel pickup. Use a air compressor and back flow the canister, that might loosen it up.[/COLOR]
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Old Mar 23, 2010 | 03:45 AM
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From: Temecula Valley, CA
Are you sure it's pressure and not vacuum?
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