Code 84 noticeable loss of engine power began making a tripping?

I have a 2019 Chevy Sonic that was experiencing Code 84 and a noticeable loss of power, which was the vehical going into limp mode. I found that it could be the throttle position sensor or pedal position sensor or fuel filter fuel pump fuel module, which is all one anyway on my car. So I started with the position sensor, which is connected to the throttle body and has to be bought as one piece so I bought a brand new from O’Reillys then I installed it just as the other one installed we did not however change out the gasket because it seemed to be in good shape. Once the throttle body was changed, the car started and ran fine initially, and the power issue seemed resolved. It is making a weird chirping noise when the heater is on and it’s very cold here in Oklahoma currently I might add. Want to say this I am not a mechanic but I work as a pipe fitter and have years of mechanical experience, so that being said, I am not a mechanic and watched a video on how to do it, but I’m also not a jackass. However, shortly after the repair, the engine began making a tripping and I’m now trying to determine what that noise could be and whether it’s related to my installation of the throttle body or something else. The car has had several issues since I bought it but it’s what I have and currently don’t have any other options but to make this work! I will leave the video, any help is appreciated thank yall for your time.