My fuel injector is leaking how can I change it out?

Here is a guide that will help with step by step instructions on how to replace an injector:

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

Also, below is the process from the manual that will help with giving the detail that you will need in order to complete this.

Please let us know if you have questions on this and we can go from there. Thanks