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i have a vibration in my GMC Envoy when it idles and have been told that can be caused by a vacuum leak. i am currently trying to find out how to find the leak. advanced auto parts will loan you a pressure tester to try to detect the leak. i have not gotten the tester yet. would like to know where to look for it for this sort of leak before i get the tester and i am still in the process of getting that information.

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โˆ™ 2010-02-13 18:58:41
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Q: Could a vacuum leak cause vibration?
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A vacuum leak could cause that.

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It could.It could.

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