👉 P0138: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2).
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0:00 OBD2 code P0138
0:16 What does code P0138 mean
0:40 DTC code P0138 Symptoms
1:00 Causes of Error P0138
1:16 Solutions for DTC P0138 Troubleshooting
1:39 P0138 Fault FAQ
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