How to unhook the the fuel lines from fuel injector?

Hello,

You will have to use a fuel line disconnect tool to remove those lines from the injector (see picture).
Without the tool the lines will not come out and if forced it will damage the components.

Here is a helpful video:

https://youtu.be/Boi0DPXVHbM

Please let me know if you have any questions.
Thank you.