What are the symptoms of a faulty oxygen sensor in a motorcycle?

[EllieLynn]

When the oxygen sensor in a motorcycle fails, symptoms such as decreased engine power and increased fuel consumption may occur. The oxygen sensor is a very important component that detects the oxygen content in the exhaust and then sends the signal to the ECU, allowing the ECU to adjust the air-fuel ratio. Low-end motorcycles do not have oxygen sensors; only some motorcycles equipped with fuel-injected engines come with oxygen sensors. The oxygen sensor is installed in front of and behind the three-way catalytic converter. The one in front is called the front oxygen sensor, and the one behind is called the rear oxygen sensor. The main function of the front oxygen sensor is to detect the oxygen content in the exhaust, and then the ECU can adjust the air-fuel ratio based on the data from the front oxygen sensor. The main function of the rear oxygen sensor is to detect whether the three-way catalytic converter has failed. If the data sent to the ECU by the front and rear oxygen sensors are the same, it indicates that the three-way catalytic converter has failed. If the three-way catalytic converter fails, the fault light on the dashboard will illuminate to alert the driver.