This can be an ignition coil or spark plug starting to go out for the #1 cylinder so I would change that out, but we should run the codes even though there is no check engine light on. This guide can help, and I have included how to change the coil out as well in case you need it.
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
If the coil does not change the problem and there are no codes, the PCM might be starting to go out so I would remove it and send it in for testing. The diagram show all 4 so you should change the first coil at the front of the engine. If the spark plugs are worn, I would install a new set.
Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:
https://www.2carpros.com/articles/how-to-change-spark-plugs
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Thursday, June 6th, 2024 AT 5:34 PM