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My car will die when you let off the gas. Why?

(1999 Buick LeSabre)
in Corvallis, OR on July 26, 2011
I have changed spark plugs and wires, replace fuel filter
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Popular Answer
on July 26, 2011
Could be a vacuum leak, or a bad mass air flow sensor or several other things, if you have a yellow service engine soon light on, then it means that there is a code that will help determine what is wrong with your Buick. Get that code, you will need a scanner to read it.

here are some shops:

https://repairpal.com/buick-repair-in-corvallis-oregon
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