Hi,
The code indicates a rich fuel mixture. Let's start off easy. First, is the air filter clean? Have you checked fuel pressure?
Let me know. If you haven't checked fuel pressure, it could be too high due to a faulty pressure regulator.
Also, if you can get the scan tool again, check live data. I need to know if the engine coolant temp sensor is signaling the approximately ambient temperature when the engine is cold. Also, let me know what the short-term fuel trims are when running at operating temperature.
Here is a link that shows how to check fuel pressure:
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Let me know what you find or if you have other questions.
Take care,
Joe
SPONSORED LINKS
Wednesday, June 30th, 2021 AT 9:56 PM