秦炳爽 张 彦

（奇瑞汽车股份有限公司, 安徽 芜湖 241009）

摘要：因发动机一致性存在差异，在试验和使用过程中，经常会遇到机油压力异常的问题。由于发动机润滑系统由多种用油元件成，油路复杂，如何快速准确地找出问题所在，一直受到关注和探索。本文以某款汽车发动机机油压力异常为例，介绍一种油压异常排查方法。

关键词：发动机 ；机油压力；机油流量；排查方法

    Abstract: In the process of engine test, it is found that engine oil pressure is abnormal. The  lubrication system of an engine contains many oil parts and so it is very complicated. Engineers try to explore  the reasons quickly and accurately. This article introduces a method to check oil pressure malfunction on the basis  of a  gasoline engine.

    Key Words: Engine; Oil Pressure; Oil Flow; Inspection Method