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Answered 2015-07-15 18:24:42

most vacuum leaks are in hoses that are disconnected or have holes in them you can also take a bottle of water and spray it along the side of the intake and base of the carborater if the motor bogs or you here it suck the water in you have found you leak but it can be a leak under the intake and that is a bigger problem to find buy a can of starting fluid and spray it near the gasket and vacuum hoses and if the engine increases its rpm that is where the leak is

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