The DENSO Lambda sensor DOX-1375 is engineered to precisely measure the oxygen content in the exhaust gases. This critical data allows the engine control unit (ECU) to adjust the air-fuel mixture for optimal combustion. Proper functioning of the Lambda sensor is vital for reducing harmful emissions and improving fuel economy. A faulty sensor can lead to increased fuel consumption, poor engine performance, and illuminated check engine lights. DENSO is a leading manufacturer of automotive components, known for its commitment to quality and reliability. This DOX-1375 sensor is designed to meet or exceed OE specifications, providing a dependable solution for your vehicle's needs.