Exhaust System Contains Oil
可能原因
- 过长怠速时间
- 涡轮增压器密封件损坏
- 气门导管密封件磨损或损坏
- 气门导管磨损
- 活塞环磨损
按所列步骤顺序完成以上步骤。
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| 故障诊断与排除测试步骤 | 数值 | 结果 |
|---|---|---|
1. 过长怠速时间 A. 过长怠速时间会使机油进入排气系统中。 |
怠速时间 |
结果 怠速时间过长。 缩短怠速时间。 结果 怠速时间没有过长。 转至测试步骤 2。 |
2. 涡轮增压器密封件损坏 A. 检查进气歧管和排气歧管中有无机油。 |
涡轮密封件 |
结果：进气或排气歧管中有机油。 更换涡轮增压器。 确认修理。 结果：进气或排气歧管中没有机油。 转至测试步骤 3。 |
3. 气门导管密封件磨损或损坏 A. 检查气门导管密封件有无磨损或损坏。 |
气门导管密封件 |
结果：气门导管密封件损坏。 更换气门导管密封件。 确认修理。 结果：气门导管密封件未损坏。 继续测试步骤 4。 |
4. 气门导管磨损 A. 检查气门导管有无磨损。 关于气门导管的最大允许磨损量，请参阅技术规格手册。 |
气门导管 |
结果：气门导管磨损。 必要时，修复缸盖。 确认修理。 结果：气门导管未磨损。 继续测试步骤 5。 |
5. 活塞环磨损 A. 拆下活塞。 请参阅拆解和组装, "活塞和连杆 - 拆卸"。 B. 从活塞上拆下活塞环。 请参阅拆解和组装, "活塞和连杆 - 拆解" C. 检查活塞和活塞环有无磨损或损坏。 更多相关资料，请参阅"技术规格"手册。 |
活塞环 |
结果 活塞环磨损。 更换活塞环。 确认修理。 结果 活塞环未磨损。 请联系代理商解决方案网络 (DSN)。 |
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