CEL code help please
I have the P0132 code which I believe is the O2 Oxygen Sensor Circuit High Voltage (Bank1, Sensor1).
What exactly does that mean and what are the possible fixes?

FYI: I did replace the O2 sensor at 50k miles. Plus, I also have high flow cats (which i have a feeling might be causing the code but it didn't before.)
TIA

G

Cats should have no effect on the upstream O2 sensor.
Might have a bad sensor.

These are pigtales.





