回複：多謝。再次檢查了排氣管，肯定沒漏（加拿大天冷，漏氣一眼能看見）而且，現在

來源: 於 2014-01-22 19:01:46 [舊帖] [給我悄悄話] 本文已被閱讀：次

Sometime you probably have to use hand (and of course very careful, it is extremely hot if running for a while) to feel if hot air leaking out - it is not always white smoke.