论文部分内容阅读
车型:配置1.5L Sigma发动机和6F15自动变速器。行驶里程:7850km。故障现象:客户反映最近一段时间,启动发动机后,发动机出现异响。故障诊断:接车后,启动发动机,在怠速时发动机确实发出有节奏的类似敲击的“嗒嗒嗒”响声,异响确实存在。首先检查机油量,机油油量正常,油质也正常(4950km刚做完的首保,更换了机油、机油滤清器),没有发现异常现象,排除了因机油油量及油质问题导致的异响可
Model: equipped with 1.5L Sigma engine and 6F15 automatic transmission. Mileage: 7850km. Symptom: Customer reflects the most recent period, start the engine, the engine abnormal sound. Troubleshooting: After the car, start the engine, the engine does indeed issue a rhythmic similar percussion “da da da” sound at idle, abnormal sound does exist. First check the amount of oil, oil normal oil, oil is also normal (4950km just finished the first insurance, replacement of oil, oil filter), did not find anomalies, ruled out due to oil and oil quality problems caused Abnormal sound can be