沃爾沃S90發(fā)動(dòng)機(jī)排氣系統(tǒng)故障診斷

中圖分類號：U464.134 文獻(xiàn)標(biāo)識碼：B 文章編號：1003-8639（2025)07-0193-02

Volvo S9o Engine Exhaust System Fault Diagnosis

Hu Zhengquan

(Fuyang Technician Institute，F(xiàn)uyang 236OO1，China)

【Abstract】Asa high-end luxury sedan，the stabilityand reliabilityof thepowersystem ofthe Volvo S9O are of vitalimportance.Thisarticleaims toexplore thecommon causesof the exhaust system fault lighton the Volvo S90 engine andpropose corresponding diagnosticmethods.Providevaluable references for Volvo S9O ownersand maintenance personnel，helping them diagnoseand solve engine exhaustsystem faultsmoreefectively，therebyenhancing the vehicle'sperformance and environmental friendliness.

【Key words】Volvo S9O；exhaust system； fault light；oxygen sensor; three-way catalytic converter；EGR

0 引言

隨著汽車工業(yè)的快速發(fā)展，汽車的復(fù)雜性和智能化程度不斷提高，消費(fèi)者對車輛性能、安全性和環(huán)保性的要求也日益提升。（剩余3272字）