fuel injector replacement instructions?

Here are a couple guides that will help with this. First is how to test the injectors. This will show the proper way to test the injectors in the event you need to do that, plus a guide on how to replace them.

https://www.2carpros.com/articles/how-to-test-a-fuel-injector

https://www.2carpros.com/articles/how-to-replace-a-fuel-injector

Below you will find the process on how to replace the injectors from the manual. Let us know if you have questions. Thanks