Question about 2002 Lexus IS 300
I take it the wiring has been ripped off from the underside to the sensor. You will just have to follow the wiring from the connector under the carpet under the passenger seat inside the car to where it exits to the exhaust. Fit the new sensor with an open ended spanner, carefully feed the wires/plug back through to the connector. The oxygen sensor has four wires. Two, usually grey, are to supply the sensor heater with power, they only work when hot so they have internal heaters. The other two wires are the signal feeds back to the ECU that report on oxygen levels.
Posted on Sep 09, 2010
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Posted on Jan 02, 2017
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