help.....vacuum leak

16219 Views 11 Replies 7 Participants Last post by nizmut, May 30, 2010

blazers27

Discussion Starter · May 26, 2010

My check engine light went off on my 2005 with 100k miles. I had them run it for codes at Auto Zone and it came up as a "large vacuum leak". What do I need to check or do?

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blazers27

Discussion Starter · #11 · May 30, 2010

TheOregonFront said:
see thats what i was thinking. Gas cap.

I think it has to do with the gas cap. The truck is actually running great. No idle problems whatsoever. It is running fine. Think I should try replacing the gas cap?

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