The DENSO Lambda Sensor, part number DOX-0116, is engineered to precisely measure the oxygen content in your vehicle's exhaust gases. This critical data allows the engine control unit (ECU) to adjust the air-fuel mixture for optimal combustion. By maintaining the correct air-fuel ratio, this sensor contributes significantly to improved fuel economy and reduced emissions. Its design ensures accurate readings, leading to smoother engine operation and preventing potential performance issues. Crafted with DENSO's renowned quality and precision, the DOX-0116 is built for durability and long-lasting performance. Installation is straightforward, designed as a direct replacement for your original equipment sensor.