Question about 2002 Buick LeSabre

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I had my 2002 buick lesabre tuned up last week. A couple times today, it wouldn't start the first time, but started okay. I added gas tonight and when I started, it wouldn't start and the second time, it sort of back fired and now is idling very very rough and there is a whistling sound when it is idling. It only started today.

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  • jrose12 Mar 25, 2011

    I would go along with the vacuum hose since it was tuned up last week. Don't see how timing would change suddenly. I will check for a loose vacuum hose -- THANKS FOR YOUR INPUT.

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Ok, sounds like either a vacuum hose is unattached, that could be the whistling and/or the timing has been changed or is not correct.. it IS a timing issue but I think a loose vacuum hose can also affect that depending on where it is... look for a small maybe 3/8" diameter hose that is not attached to anything...

Posted on Mar 25, 2011

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