Hi,
The first thing I recommend is to check the fuel pump pressure. You may have a faulty fuel pressure regulator.
Here is a link that explains how it's done:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
If you look below, I attached the manufacturer's pressure specifications.
Let me know what you find or if you have questions.
Take care,
joe
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Wednesday, October 4th, 2023 AT 6:28 PM