I believe some newer cars do store data that could indicate lower octane gas was put in. But if you’re still under warranty and your engine blows up, it sugges

I believe some newer cars do store data that could indicate lower octane gas was put in. But if you’re still under warranty and your engine blows up, it suggests a problem with the manufacturing itself. Exceptions could be if you put in E85 that’s not recommended as it has much lower energy and the engine needs to make a ton of adjustments for that which might be out of range.