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Soot by Cat Converter and exhaust noise and O2 sensor 200 1990

posted by  Mark Lundell on  Sat Aug 21 05:48 CST 2004
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last visit: Sun Sep 14 21:34 CST 2014
[RELATED]

What parts are in the joint where the cat converter meets the pipe from the engine?

I have been getting exhaust noise from the under the car near the cat converter. It has been getting steadily worse for a year. I see soot in the joint where the two pipes meet. Is there a gasket there which could be bad?

Also could this leak be what is causing my O2 sensor to give me a check engine light? (Code 2-2-1)






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