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Q: my car will die when you let off the gas. Why? on 1999 Buick LeSabre

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
I have changed spark plugs and wires, replace fuel filter
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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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/directory?address=97333&car_brand_names=Buick
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