故障现象一辆2006款1.6L舒适型奇瑞A5轿车(采用1.6 L直列四缸发动机),累计行驶6.1万km,冷机时车辆行驶正常;但热机后,感觉行驶动力不足,车速提升缓慢,发动机运转不平稳,发动机故障指示灯点亮。故障诊断据车主反映,上述故障是在执行一次乡村行驶任务后出现 Symptom A 2006 1.6L Comfort Chery A5 sedan (with a 1.6L inline four-cylinder engine) has a total mileage of 61,000 km. When the vehicle is cold, the vehicle runs normally. However, when the engine is cold, the driving force is insufficient and the speed increases slowly. The engine The operation is not stable, the engine fault indicator light. According to the owner to reflect the fault diagnosis, the failure is the implementation of a rural driving mission