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I am trying to identify a part from the exhaust.

(1991 Buick Century)
in Washington, DC on July 19, 2009
I found a part on the garage floor, looks like it came from the exhaust area and may be a sensor. Has exhaust carbon on it and has the #019 on the rim. Has plastic insert inside tapered tube
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Popular Answer
Does this component have wires attached to it? Do you have an exhaust leak now that this part is no longer on the car?
Google search -Google images- oxygen sensor Does the part look like any of these images?
if you don't find an answer to your question if you want to take a digital picture and send it to me I will see if I can identify it for you
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