is a specialized high-speed datalogging and diagnostic software primarily used for Mitsubishi and Subaru vehicles to monitor engine parameters, diagnose fault codes, and support ECU reflashing.
EvoScan supports simultaneous logging from wideband oxygen sensors (like the AEM X-Series) to monitor precise Air/Fuel Ratios (AFR). Installation Guide for Version 3.1
: Preferred for older Mitsubishi (Evo 7/8/9) for its reliability with MUT-II protocols and AYC/ACD bleeding.
If you have an existing installation, the official path involves installing version first and then applying the 3.1 update : ECUflash and Evoscan How to