更换废气压力调整阀 40%
检查进气系统漏气 30%
检查燃油系统 20%
更换喷油嘴 10%
https://qc.dianpusou.com/tag/%e4%b8%81%e5%ad%97%e8%b7%af%e5%8f%a3%e7%ba%a2%e7%81%af%e5%8f%b3%e8%bd%ac%e8%a7%84%e5%ae%9a
更换废气压力调整阀 40%
检查进气系统漏气 30%
检查燃油系统 20%
更换喷油嘴 10%
https://qc.dianpusou.com/tag/%e4%b8%81%e5%ad%97%e8%b7%af%e5%8f%a3%e7%ba%a2%e7%81%af%e5%8f%b3%e8%bd%ac%e8%a7%84%e5%ae%9a