Description: Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 2)
The oxygen sensor, also known as the O2 sensor, is a device that measures the amount of oxygen in the exhaust gas of a vehicle. The signal from the oxygen sensor is used by the vehicle's engine control unit (ECU) to control the air-to-fuel ratio of the engine.
Bank 1, Sensor 2 refers to the oxygen sensor that is located on the second exhaust manifold of the engine.
Code P0136 means that the ECU has detected a problem with the oxygen sensor circuit for bank 1, sensor 2. This could be due to a number of reasons, including:
- A faulty oxygen sensor
- A damaged wiring harness
- A problem with the ECU
It is important to diagnose and repair code P0136 as soon as possible, as it can cause the engine to run rich or lean, which can lead to increased emissions, decreased fuel economy, and engine damage.