How to change air intake hose?

Hello,

An engine can idle high due to a vacuum leak as well as loose intake tube, also could be due to the throttle body.
What exactly are you experiencing?

https://www.2carpros.com/articles/engine-idles-too-high

https://www.2carpros.com/articles/replace-an-air-intake-boot

I have attached the diagrams below for your reference.

Let me know of any questions.
Thank you.