Thread: vacuum leak
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Old 06-21-2013, 03:02 PM   #3
TBONE1964
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Join Date: Nov 2012
Location: Junction City, OR
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Re: vacuum leak

Pull the vacuum hose of at the power brake booster and plug it with your finger and see what that does. It sound like your check valve is defective or you have a crack or split in the vacuum hose. Very easy fix. If you plug that vacuum line and it idles OK and runs OK then you have found your problem.
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