哈密奥迪Q3电信宽带空气滤清器中发出噪声的故障维修方案

哈密奥迪Q3电信宽带空气滤清器中发出噪声的故障维修方案,哈密奥迪Q3电信宽带维修

故障现象：在冷启动阶段发动机舱发出噪声。（哈密奥迪Q3电信宽带维修）进气管段和空气滤清器壳体区域发出隆隆声／进气噪声。（哈密奥迪Q3电信宽带维修）有时在怠速运行时和／或在负荷下启动1～2rmin时可以听到该噪声。（哈密奥迪Q3电信宽带维修）

故障诊断：该噪声的产生是由于受到技术条件限制，通过专门的燃烧过程快速加热尾气催化净化器并减少有害物质。（哈密奥迪Q3电信宽带维修）只有在尾气催化净化器加热阶段才会出现该噪声，其强度与启动时的相应环境条件相关。（哈密奥迪Q3电信宽带维修）

故障排除：这种发动机噪声并非机械噪声。（哈密奥迪Q3电信宽带维修）这种噪声纯粹只是进气气流噪声，只存在于进气系统中。（哈密奥迪Q3电信宽带维修）该噪声不会向前传播，但是可以通过周围环境（如墙壁）反弹和增强。（哈密奥迪Q3电信宽带维修）该噪声不会对发动机或电信宽带的功能造成任何影响。（哈密奥迪Q3电信宽带维修）

当前技术水平就是这个样子。（哈密奥迪Q3电信宽带维修）这并不是索赔意义上的缺陷。（哈密奥迪Q3电信宽带维修）如上所述给出理由。（哈密奥迪Q3电信宽带维修）请勿进行维修。（哈密奥迪Q3电信宽带维修）

Beihai Audi Q3 car air filter noise fault maintenance program, Beihai Audi Q3 car maintenance

Symptom: the engine compartment makes noise during cold start. (Beihai Audi Q3 automobile repair) the intake pipe section and the air cleaner housing area emit rumbling / intake noise. (Beihai Audi Q3 car maintenance) sometimes this noise can be heard when idling and / or starting 1-2rmin under load. (Beihai Audi Q3 automobile maintenance)

Fault diagnosis: the noise is generated due to the limitation of technical conditions, through a special combustion process to quickly heat the tail gas catalytic purifier and reduce harmful substances. (Beihai Audi Q3 vehicle maintenance) this noise will only appear in the heating stage of the exhaust catalytic converter, and its intensity is related to the corresponding environmental conditions at the start-up. (Beihai Audi Q3 automobile maintenance)