I am pretty sure you need to install the meter unit, lines and injectors as an assembly. I understand the issue that you are seeing but you are not going to be able to get them installed once you have the other components installed.
Can you get some pictures of what you are dealing with and maybe we can come up with the best plan to get this completed?
Whenever you get this put back together it is a good idea to not only inspect for leaks but check the fuel pressure as well
Here is a guide that will help with doing this:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Please see the process below and let us know if you have other questions.
Thanks
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Thursday, August 19th, 2021 AT 12:22 PM