C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

1996 fuel system question

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Old Jun 14, 2022 | 09:51 PM
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From: SAINT CHARLES ILLINOIS
Default 1996 fuel system question

With warmer weather here in chicago I have a question about my fuel cap: is the C4 cap vented or not? I removed my gas cap today and lots of air escaped. Sort of like a gas can if you dont flip open the vent. Is this normal? thanks.
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Old Jun 14, 2022 | 10:33 PM
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That's normal and the way it should work. Most cars do work the same way. The pressure is controlled by the E-vap valve usually.
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Old Jun 14, 2022 | 11:28 PM
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ok thanks!
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