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The DENSO DOX-0238 is a high-quality Lambda sensor, also known as an oxygen sensor, specifically engineered for compatibility with TOYOTA and LEXUS models. This sensor is essential for the proper functioning of your vehicle's emission control system. It measures the amount of oxygen in the exhaust gases, providing vital data to the engine control unit (ECU). By accurately reporting oxygen levels, the Lambda sensor helps the ECU optimize the air-fuel mixture. This leads to improved fuel efficiency, reduced emissions, and optimal engine performance. The DENSO DOX-0238 ensures reliable and precise readings for these critical functions.