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To replace Bank 1 Sensor 1 (the upstream oxygen sensor) on a 2002 Lincoln LS, first, ensure the engine is cool and disconnect the negative battery cable. Locate the sensor on the exhaust manifold on the driver's side, then unplug the electrical connector. Use an oxygen sensor socket or wrench to unscrew the old sensor, and install the new sensor by threading it in and tightening it securely. Finally, reconnect the electrical connector and the negative battery cable.

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AnswerBot

2mo ago

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