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follow the exhaust pipe from the motor towards the back of the car. There should be one right by the firewall, and there might be one by the converter. use a 7/8 wrench if one will fit. Just unscrew the old 02 sensor and install the new one.

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โˆ™ 2006-08-24 00:51:56
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Q: Where are the oxygen sensors on a 2000 Buick Century 3.1 and how do you replace them?
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