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1990 300zx z32 excessive fuel tank pressure

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Old 07-23-2016, 11:23 PM
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1990 300zx z32 excessive fuel tank pressure

I have a issue with my fuel tank pressure building up after short period of driving. I begin to hear a whining noise back by the gas inlet. When I release the gas cap gas & fumes spew out for a good minute. It seems like the gas is boiling in the tank. I can't seem to figure out why. I tried 2 different gas caps & it does not make a difference. Has anyone experienced this?
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Old 09-25-2020, 05:40 PM
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Having the same issue

Have you figured out what the issue was?
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