P3025 Code – Upstream Oxygen Sensor Signal Controller Monitoring Initialization Error Bank 2 Sensor 1

Code P3025 Possible Causes
Faulty Upstream Oxygen Sensor Bank 2 Sensor 1
Upstream Oxygen Sensor Bank 2 Sensor 1 circuit poor electrical connection
Upstream Oxygen Sensor Bank 2 Sensor 1 harness is open or shorted

Leave a Comment