Hi,
No problem whatsoever. To get you started, here is a link that explains in general how to test both fuel pressure and the fuel pressure regulator:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
If you look below, I attached the manufacturer's testing instructions which include diagnostics at the end. Take a look through them and let me know if they help.
Let me know what you find or if you have questions.
Take care,
Joe
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Sunday, October 15th, 2023 AT 7:57 PM