This could be a couple things, but we need to start with checking the idle air control as you more than likely need to clean it just to make sure this is not an issue. Here is a guide that will help with this:
https://www.2carpros.com/articles/idle-air-control-valve-service
I am attaching the info below on how to replace this if that is the direction that we need to go.
The next thing that would likely because this is a vacuum leak. Here is a guide that will help with this:
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
Let's run through this info and let me know what you find, and we can go from there. Thanks
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Wednesday, December 8th, 2021 AT 2:33 PM