顾家Man 2017/09/13 12:51:18 发表在 49楼
这是那篇文章提出的一个论点:One concern that’s becoming a problem with all GTDI engines is excessive carbon buildup on the back side of the intake valves. This causes hard-to-diagnose misfires, especially when the engine is cold, and can also create a rough, rolling idle. One reason for this is valve timing...
游客
扫码下载
汽车之家APP
随时获取
最新汽车资讯