The Bosch Engine Oil Pressure Sensor - 0261230256 is a sensor designed to measure the oil pressure in a vehicle's engine. It is a small, electronic device that is typically located near the engine block. The sensor works by detecting changes in the pressure of the engine oil and sending this information to the vehicle's computer system. This allows the computer to monitor the oil pressure and make adjustments as needed to ensure the engine is running smoothly. The Bosch Engine Oil Pressure Sensor - 0261230256 is a reliable and accurate sensor that is essential for maintaining the health and performance of a vehicle's engine.