Check Engine Light Due to Failed O2 Sensor on Lexus RX300

Submitted by Vehicle Owner · Oct 3, 2025

Published by RepairPal

Problem overview

The Check Engine Light may come on because a component of the oxygen sensor stops working. Replacement of the failed sensor should correct this concern.

109 people reported this problem

34 comments

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Lexus RX300 vehicles with this problem

6 model years affected

Average mileage: 124,931 miles

(17,500 - 247,000)

Repairs related to this problem

Check Engine Light Diagnosis & Testing

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