Hi,
The first thing I would check is the fuel injector itself. Have you tried to service the injectors because it could simply be dirt?
Here is a link that explains in general how to check a fuel injector:
https://www.2carpros.com/articles/how-to-test-a-fuel-injector
Let me know. Also, let me know if there are other codes and if you are experiencing a misfire.
Take care,
Joe
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Wednesday, January 20th, 2021 AT 8:37 PM