If you have a misfire on one cylinder, I would swap the injector to another cylinder first just to make sure it is the injector. The misfire should move to the cylinder with that injector.
I attached the process for replacing the injectors. Let us know what questions you have.
Here is also a guide that will help:
https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Thanks
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Friday, November 27th, 2020 AT 8:42 PM