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Registered
Join Date: Nov 2000
Location: Baton Rouge, Louisiana
Posts: 521
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Exhaust smells bad...could O2 sensor be to blame?
I couldn't find any info in the archives about how the O2 sensor affects the smell or composition of the exhaust gas.
My '88 Carrera has 100K on it, burns just alittle oil, and has a cat bypass (test pipe actually, with the sensor in the pipe). I am not sure how long the sensor has been in the car, but if it is like everything else the PO did, it is probably original. I have read here on PP that you should change the sensor every 40K to 50K. Does bad smelling exhaust indicate a bad sensor?
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Mark Howard
Baton Rouge, Louisiana
2023 Taycan GTS
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