东风dCi11发动机典型故障分析与诊断研究

Analysis and Diagnosis of Typical Faults of Dongfeng dCi11 Engine

发动机是汽车的核心部件,其在正常运转条件下的工况水平直接影响着汽车发动机质量的好坏。如何保证发动机的产品质量以及提高发动机的使用寿命是整个汽车售后服务行业亟待解决的难题。文章以东风dCi11发动机为研究对象,对东风dCi11发动机的结构及故障数目和类型进行统计与分析,找出典型故障,分析产生原因,提出相应改善对策,以达到减少发动机故障数量提升发动机性能和工作可靠性的目的。

Automobile engine is the core component of its overall level of quality and a direct impact on the normal operation of their quality automobile engine,how to ensure that the engine's life and improve the quality of service guarantee engine,the entire automotive aftermarket industry urgent problem.This product is equipped with high-power characteristics and low speed high torque characteristics of the engine as the research object dCi11,Dongfeng dCi11 structure of the engine and the number and type of failure statistics and analysis to identify typical faults,analyze its causes.The corresponding improvement measures.Thereby reducing engine failure,improve engine performance and operational reliability.