大众EA888发动机怠速抖动故障诊断与排除  

Diagnosis and Troubleshooting of Idle Speed Jitter Failure of VW Engine EA888

作　　者：李智强[1] 林可春[1] 陈芳林 Li Zhiqiang;Lin Kechun;Chen Fanglin(School of Automobile,Fujian Chuanzheng&Communications College,Fujian Fuzhou 350007)

机构地区：[1]福建船政交通职业学院汽车学院,福建福州350007

出　　处：《汽车实用技术》2021年第1期167-169,共3页Automobile Applied Technology

基　　金：福建省林可春技能大师工作室,项目编号:Y10319001。

摘　　要：发动机怠速抖动故障是发动机常见故障。本文以大众EA888发动机为例,介绍了EA8888的发动机特点,分析了引起发动机怠速抖动的原因和发动机怠速抖动的诊断方法及步骤。并通过案例介绍了进排气系统多故障导致的怠速抖动和配气正时失准导致的怠速抖动故障的诊断与排除,为类似故障提供诊断参考。Engine idling jitter failure is a common engine failure.This article takes the Volkswagen engine EA888 as an example,introduces the characteristics of the engine EA8888,and analyzes the causes of the engine idling jitter and the diagnostic methods and steps.The case introduces the diagnosis and troubleshooting of idling jitter caused by multiple faults in the intake and exhaust system and idling jitter caused by misalignment of valve timing,and provides diagnostic references for similar faults.

关 键 词：EA888发动机 怠速抖动 故障诊断 

分 类 号：U464[机械工程—车辆工程]