Too lean, Bank 2
Possibilities are a dirty air filter/ or you are using a K&N (or similar) air filter that the oil on it is getting on the MAF Sensor.
A vacuum leak leak on a hose (or even anywhere)
Try this, this is the most common fix before you mess with anything else, if you will remove the MAF sensor, clean it well with brake cleaner, allow it to dry, reinstall it.
Let us know if this fixes you!
Friday, March 17th, 2017 AT 7:57 PM