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To replace the O2 sensor on a 2002 Chevy Malibu, first ensure the engine is cool and disconnect the negative battery cable. Locate the O2 sensor, which is typically found on the exhaust manifold or downstream in the exhaust system. Use an O2 sensor socket or a wrench to unscrew the old sensor, then install the new sensor by threading it in and tightening it securely. Finally, reconnect the battery and clear any diagnostic trouble codes if necessary.

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AnswerBot

1mo ago

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