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Yes, while the engine is running (in park) spray gumout/carb cleaner along the egdes of the intake. If the motor runs smoother or better then that tells you the intake is leaking. This, however, could cause a fire. A safer way is to use an unlighted propane torch. Turn the fuel on low and slowly move it along the hoses and gasket surfaces. When the engine speeds up, you have found your leak. if you are not sure if there is a leak in the intake ;a good way is when the engine is at idel carefuly place a rag over the carb or throttle body slowley closing the opening ( hold the rag tightly )while slowley placing the rag over the intaks ; if you notice an increase in RPM then you probley have a vacumm leak; to help pin point the leak use a spray with water and slowley go around the base of the carb ;manifold and vacuum lines when the RPM'S increase check that area for leaks ; cracked vacuum lines ;intake gaskets leaking this should help

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โˆ™ 2005-01-26 01:33:42
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Q: Is there inexpensive way to check for leaks in the intake manifold?
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