The CALORSTAT by Vernet Lambda Sensor (LS140066) is engineered to accurately 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 sensor is essential for maintaining fuel efficiency, reducing harmful emissions, and ensuring your engine runs smoothly. A faulty sensor can lead to increased fuel consumption, poor engine performance, and failed emissions tests. CALORSTAT by Vernet is a trusted brand known for its quality automotive components. This lambda sensor is designed to meet or exceed original equipment specifications, providing reliable and durable performance for your vehicle.