Loses power on hill and when I accelerate or when the transmission down shifts?

This can be one of two things, either the fuel pump is getting weak, or the catalytic converter is clogged, but we should run the codes to see what comes up this guide can help:

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

Here is a guide to help you check the fuel pressure and I have left instructions in the diagrams below on how to change out the fuel pump:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

This guide can help you see if the cat converter is bad:

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

This guide can help as well:

https://www.2carpros.com/articles/engine-has-low-power-output

Check out the diagrams (below). Let us know what happens and please upload pictures or videos of the problem.