Recv failure:connection was reset.

There are many reasons: 1. The engine throttle has abnormal noise and needs cleaning. 2. The engine oil of the vehicle has reached the replacement cycle and needs to be replaced. 3. When the temperature is low, it is normal for the engine to wear when starting the vehicle. 4. Abnormal noise of engine idle motor.

2. If the motor vehicle has abnormal sound after starting in normal use, you can check the engine throttle of the motor vehicle, which may be due to abnormal sound caused by throttle failure. You can clean the throttle of the motor vehicle, reinstall it, and then start the vehicle, and the abnormal noise will be eliminated. If the abnormal sound still exists at this time, other accessories of the motor vehicle can be detected by troubleshooting.