What is the difference between a version 1 and version 2 Subaru impreza cam sensor?

The primary difference between a version 1 and version 2 Subaru Impreza cam sensor lies in their design and functionality, reflecting improvements in engine management technology. Version 2 sensors often feature enhanced durability and more accurate signal output, which can lead to better engine performance and efficiency. Additionally, compatibility with different engine control units (ECUs) may vary, requiring specific sensors for certain model years or engine types. Always consult the vehicle's service manual for precise specifications and compatibility.