I am not sure what specific code that is so if you can provide the actual code then we can look up the info on it.
Here is a guide that will help with this:
https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing
However, I suspect this is an issue with the variable valve solenoid.
I am attaching the info below on this but without the actual code this is what makes the most sense.
Basically, in changing the oil, it may have freed this up for a short time so we could have greater engine issues going on with metal or debris in the engine. When you have metal in the engine it will cause this to stick and have issues. So, if nothing else, I would replace this and go from there.
Here is a guide that talks more about this:
https://www.2carpros.com/articles/how-camshaft-variable-valve-timing-works
Please see the attached info and let me know what questions you have. Thanks
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Monday, February 21st, 2022 AT 7:45 PM