OBD Code P0145

O2 Sensor Circuit Slow Response

What’s mean?

OBD2 Code P0145 Definition:
The powertrain control module uses the oxygen sensor to calculate the air/fuel ratio in the exhaust.

Symptoms

Possible sumptoms of P0145
– Engine Light ON (or Service Engine Soon Warning Light) – High Fuel Consumption – Excessive Smoke from Exhaust

Possible Causes

Possible causes of P0145
– Heated Oxygen Sensor Bank 1 Sensor 3 harness is open or shorted – Heated Oxygen Sensor Bank 1 Sensor 3 circuit poor electrical connection – Faulty Heated Oxygen Sensor Bank 1 Sensor 3

Possible Solutions