The engine will not stay cranked?

So it sounds like the engine will not stay running, correct? Can I ask if you have a check engine light on? If so, let's run the codes to see which ones are stored, this guide can help:

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

I can tell you have seen the IAC motor stop working and cause this issue. Here is the location so you can remove it and either clean it or get a replacement.

This guide can help as well:

https://www.2carpros.com/articles/stall-at-idle

Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.