Engine carbon deposition detection system and method based on vehicle-connected big data

The invention relates to the field of automobile engine detection, in particular to an engine carbon deposition detection system and method based on vehicle-connected big data, and the system comprises a data collection and statistics module, a carbon deposition degree evaluation module, a feedback reset module and a control unit. The data collection and statistics module is used for collecting vehicle connection data to feed back to the carbon deposition degree evaluation module, the carbon deposition degree evaluation module judges whether carbon deposition is serious or not according to the data fed back by the data collection and statistics module and outputs a signal to the control unit, and the control unit displays information. The feedback reset module is used for collecting factory returning information of the vehicle and feeding back the factory returning information to the data collection and statistics module and the carbon deposition degree evaluation module so as to reset the data collection and