EA2000, the automotive engine analyzer, is a newly developed, PC-based testing equipment for vehicle engines and electronic control systems, which may test the working conditions, operation parameters and exhaust performance of various engine systems, real time acquire the dynamic waveform of primary and secondary ignition signals, injection signals, electronic control sensor signals, intake and exhaust systems, and simultaneously provide performance analysis, waveform save and playback, test result query, and powerful on-line help system for the judgement and diagnosis of engine technical status and troubles.