http://blog.wenxuecity.com/myblog/13520/201706/24998.html
看网上跟 SUBARU IACV 有关的东西：
http://www.subaruoutback.org/forums/66-problems-maintenance/16622-high-idle-idle-air-control-valve.html
https://forums.nasioc.com/forums/showthread.php?t=781242&page=15