Failure analysis:
     Guangzhou Honda new Accord sedan in use after a period of time, some cars in the engine electronic control system in the air-fuel ratio sensor will be damaged. When the air-fuel ratio sensor is damaged, the reaction is in the car is fault light.
     Troubleshooting:
     When this failure occurs, simply replace the air-fuel ratio sensor, and use a dedicated fault diagnostic tool to clear the engine computer fault memory.