| 温福军,王尚,黄剑.宝马740Li发动机功率不足加速无力故障的诊断与排除[J].汽车零部件,2016,10(6):78-81 |
| 宝马740Li发动机功率不足加速无力故障的诊断与排除 |
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| DOI： |
| 中文关键词: 发动机 功率下降 故障诊断 |
| 英文关键词: Engine Power loss Trouble shooting |
| 基金项目:广东省交通运输厅科技项目（2013-02-092）；广东省高等学校优秀青年教师培养计划（Yq2013197） |
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| 中文摘要: |
| 针对一台2009年的宝马F02 740Li的发动机功率不足、加速没力跑不起来的故障，结合宝马F02 740Li的N54发动机工作原理跟特点，以及客户车辆使用与维修过程等信息，全面分析了电气电路、机械原理、机械部件磨损特点，逐一排除故障原因后彻底排除故障。 |
| 英文摘要: |
| A phenomenon that the power was deficiency and the car accelerate didn’〖KG-*2〗t run up in one BMW 740Li car manufactured in 2009 was introduced. Combining with the BMW 740Li N54 engine’〖KG-*2〗s operation principle, characteristics, and customer information such as vehicle use and maintenance process, the electrical circuit, mechanical principle, and mechanical parts wear characteristics were analyzed comprehensively. The causes of the fault were eliminated one by one. Then a thorough troubleshooting was made. |
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