案例1新蒙迪欧车发动机难起动故障现象一辆2016款长安福特新蒙迪欧车,搭载2.0T发动机,累计行驶里程约为3 600 km。车主反映,发动机起动困难,有时偶尔能起动着车,发动机怠速抖动厉害,轻踩加速踏板或长时间怠速着车,发动机就会自动熄火。故障诊断接车后首先验证故障现象,接通点火开关,起动发动机,发动机顺利起动,组合仪表上的发动机故障灯点亮,发动机怠速转速平稳;踩下加速踏板,发 Case 1 Difficult to start the new Mondeo car engine failure phenomenon A 2016 new Changan Ford Mondeo car, powered by 2.0T engine, accumulated mileage of about 3 600 km. Owners reflect the engine starting difficulties, and sometimes occasionally can start the car, the engine idling jerk, light on the accelerator pedal or idle for a long time, the engine will automatically stall. Troubleshooting After the car first verify the fault phenomenon, turn on the ignition switch, start the engine, the engine started smoothly, the instrument on the combination of instrument fault light, the engine idle speed steady; depress the accelerator pedal, hair