I need your help my car has this code p0138 ..97 toyota corolla. 1.8

Question

I need your help .please help me

Answer 1

Hi there,

This code is for the bank 1 sensor 2. This is the sensor AFTER the catalytic converter. The code is stating there is high voltage. This usually means the sensor is stuck and not cycling from low to high and back to low. This is usually a problem with the sensor itself.