Engine light turns on but when i turn off the car and turn it on again the light turns off?

Yep, this is normal when you have a trouble code stored, we need to connect a scanner tool to pull up the codes so we can go in the right direction.

Please go over this guide to get started:

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

This guide can help as well:

https://www.2carpros.com/articles/what-is-a-check-engine-light

Please go over these guides and get back to us.