[m3ninja]

Originally Posted by Haywood

2771 Oxygen sensor dynamic diagnosis before catalytic converter, bank 1
2772 Oxygen sensor dynamic diagnosis before catalytic converter, bank 2

This is usually bad O2 sensors. But, it's rare that both go at the same time. I've replaced 3 of them now on the drivers side since I went catless. I would switch them or get a new one and see if it fixes the errors.

Thank you, I'll give that a try!