Hi,
This could be the result of a few things. An engine vacuum leak can cause it as well as low fuel pressure. These are two things you can check without providing more information to me. However, if we need to start checking the idle air control circuit, I will need to know the engine size. It should be either a 2.0L or a 2.5L four-cylinder.
Here are two links I need you to review. The first one explains how to check for and repair an engine vacuum leak. The second one explains how to check fuel pressure.
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Let me know what you find or if you have other questions.
Take care and feel free to ask away. LOL
Joe
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Friday, May 28th, 2021 AT 6:54 PM