P0142 OBD II Trouble Code 02 Sensor Circuit Malfunction (Bank I Sensor 3)

Detailed information on troubleshooting and repairing a P0142 DTC code which refers to an O2 sensor circuit malfunction on sensor number 3 on bank 1. Also includes links to relevant forum topics on the code.

Symptoms of P0142 OBD II Trouble Code

Common Causes of P0142 OBD II Trouble Code

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