engine has low power?

This can be caused by a couple different things but first we should scan for codes. this guide will help:

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

Also the engine can be misfiring or the catalytic converter is clogged.

https://www.2carpros.com/articles/engine-misfires-or-runs-rough

and

https://www.2carpros.com/articles/how-to-test-a-catalytic-converter

Please run down this guide and report back. Let us know what happens and please upload pictures or videos of the problem.