With modern automobiles replying more and more in computers (ECU) to more efficiently control the cars functions, sensors have become vital to your car running efficiently. Hitachi’s sensor line supports accurate measurement for reliable engine performance. Accurate measurements ensure your car is running efficiently which optimizes fuel economy and performance. Hitachi Automotive Systems Americas, Inc. sensors with help your car's ECU monitor vital parameters such as Air Intake Temperature, Camshaft/Crankshaft Position, Knock Sensor, Crankshaft Angle, Pressure Sensor, Throttle Position.