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故障现象一辆2.0L东风雪铁龙凯旋自动挡轿车,因为长时间没有进行维护,车辆状况不良而进厂维修。在接车时偶然发现该制动效果特别差,就像是没有真空助力一样,而且发动机怠速抖动明显,动力不足。故障诊断与排除经过了解得知,该车属于单位车辆,一直不是专人使用,大家都反映该车驾驶起来不舒服,因此都不愿意驾驶该车,也没有人过问该车的维护情况,就丢在单位无人问津了。对该车进行更换机油三滤和火花塞等正常维护项目后试验,发动机怠速抖动现象并没有明显改善。连接故障检测仪进行检测,在发动机控制单元中读得了关于混合气浓度的故障代码;在ABS控制单元中没有读到故障代
Fault phenomenon A 2.0L Dongfeng Citroen Triumph automatic sedan, because there is no maintenance for a long time, the vehicle in bad condition and into the factory maintenance. Occasionally found in the car when the brake effect is particularly poor, as if there is no vacuum assist, and the engine idling jitter significantly, lack of motivation. After troubleshooting and understanding learned that the car belongs to the unit of vehicles, has been not dedicated use, we all reflect the car up uncomfortable, so are not willing to drive the car, no one asked the car maintenance, lost No one is interested in the unit. The car after the replacement of oil filters and spark plugs and other normal maintenance after the test, the engine idling jitter and no significant improvement. Connect the fault detector to the test, read the fault code on the mixture concentration in the engine control unit, and read the fault generation in the ABS control unit