This TOPRAN Lambda zonde, part number 114 230, is designed 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. Proper functioning of the Lambda zonde is essential for maintaining fuel efficiency and reducing harmful emissions. A faulty sensor can lead to increased fuel consumption, rough idling, and illuminated check engine lights. TOPRAN is a trusted brand known for producing reliable and durable automotive components. This Lambda zonde is manufactured to meet or exceed original equipment specifications, ensuring a proper fit and consistent performance.