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Old 01-24-2008, 08:17 PM   #6 (permalink)
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Camryaro - '92 Toyota Camry LE V6
90 day: 31.12 mpg (US)

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Huh, I wonder how that works... Maybe when the engine's off, the same mechanism that allows air to enter on one side of the booster to help push against the lower pressure portion pumps more air into the same place, increasing the pressure past atmospheric on what's usually the vacuum side?
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