Easiest way to determine if and where a vaccum leak is?

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06-28-2004, 04:55 PM

foff667

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Easiest way to determine if and where a vaccum leak is?

its been suggested because of my idle stumble i may have a vacuum leak & Im just wondering what the best way for me to test this is?

Thanks
bill

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06-28-2004, 05:15 PM

McRat

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Start engine. Let it idle. Spray carb cleaner with long nozzle around suspected leaks. RPM will increase when you hit the spot.

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06-28-2004, 05:59 PM

LS1NOVA

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If you have access to an EVAP leak detector, use the smoke machine function and fill up the engine wtih smoke and watch for the leak.

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06-29-2004, 12:00 PM

warmadness

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cant u hear it ,i had one on the egr/intake and u could hear it, if not carb cleaner works

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06-29-2004, 12:12 PM

foff667

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it would be hard to hear a nuclear bomb blast over my cars exhaust lol...I'll do the carb cleaner thing and see what i can find if anything.

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