Hi,
Has anyone checked the catalytic converters for partial plugging? They can cause a power loss. Also, do you have a live data scanner? If you do, let me know what both the short term and long term fuel trims are.
As far as the catalytic converter, take a look through this link and let me know if it seems to mirror what you experience.
https://www.2carpros.com/articles/bad-catalytic-converter-symptoms
Also, here is a link that explains how to test the converter:
https://www.2carpros.com/articles/how-to-test-a-catalytic-converter
Let me know. Also, I will assume that even though the fuel pump is new, that fuel pressure was checked.
I will watch for your reply.
Take care,
Joe
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Saturday, January 25th, 2020 AT 9:23 PM