Hello,
It sounds like you might have an issue with the fuel pressure regulator.
Over time the internals of the regulator will worn off and may not be able to provide adequate pressure to the engine.
The fuel pressure regulator is located right next to the throttle body (see diagram).
Check the fuel pressure to verify it is the regulator.
You should have 41-47 PSI of fuel pressure with the key On and engine Off.
Here is a helpful guide:
https://youtu.be/aITQclp7zIE
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
I have attached diagrams for your reference.
Please let me know of any questions.
Thank you.
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Wednesday, August 18th, 2021 AT 6:23 PM