Generally speaking, the lean trouble codes will impact the fuel mileage and could have some drivability issues. However, it is usually not dangerous to drive.
As for the drivability, are you experiencing any issues?
This type of lean code can get triggered due to a number of reasons. It could be due to a leak in the air intake, faulty fuel injectors, improper fuel pressure etc.
Here is a helpful guide:
I have attached some general information for your reference.
If you decide to tackle this yourself, please let me know and I can provide you with details of how to trouble shoot these codes.
Image (Click to make bigger)
Monday, February 28th, 2022 AT 8:49 PM