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故障现象一辆南京依维柯汽车有限公司生产的维尼斯之旅轻型客车,配SOFIM8 140.43S3增压中冷共轨喷射柴油机,采用德国BOSCH公司EDC16电控共轨燃油喷射系统,累计行驶17.6万km,因发动机动力下降,EDC故障灯闪烁而前来我厂检修。故障诊断起动发动机试车,发动机很难起动着,起动机需要连续运转5 s以上才能着机,发动机着机后怠速平稳,将加速踏板踩下并将发动机转速稳定在3 000 r/min时,
Symptom A Nanjing Iveco Automobile Co., Ltd. production Vinis trip light passenger car, with SOFIM8 140.43S3 turbocharged intercooled common rail injection diesel engine, the German BOSCH company EDC16 electronic control common rail fuel injection system, a total of 176,000 km, Due to the engine power down, EDC fault light flashes and come to our factory overhaul. Troubleshooting Start the engine test run, the engine is difficult to start, the starter needs continuous operation for more than 5 s machine, the engine idle smooth, the accelerator pedal and the engine speed stabilized at 3 000 r / min,