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It's probably a crack in the rubber intake hose between the air metering unit and the throttle body. I've had it happen 3 or 4 times on my vans. New hoses are expensive so I usually just sealed them up with gasket maker. If that doesn't answer your ?, email me. Eric

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โˆ™ 2005-05-10 18:58:18
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Q: Why would a 1988 Toyota Sienna have no power and very rough idle?
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