Hello,
This is probably going to be a vacuum leak with your vehicle. A vacuum leak or intake leak is defined as any unmetered air that enters into your vehicle's engine's combustion chamber. Unmetered air is defined as any air entering the vehicle's engine's combustion chambers past the Mass Air Flow sensor (MAF). Here is a link below on how to find a vacuum leak in your vehicle:
https://www.2carpros.com/articles/how-to-use-an-engine-vacuum-gauge
Please go through this guide and get back to us with what you are able to find out.
Thanks,
Alex
2CarPros
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Wednesday, September 11th, 2019 AT 11:30 PM