99年 camry 启动时冒一股兰烟

99年 camry报了12w麦了 车启动时会冒一股兰烟，大概两秒钟，之后就好了。请教是什么原因？

所有跟帖： 

• 回复：99年 camry 启动时冒一股兰烟 -annoname- ♂ (54 bytes) () 08/20/2009 postreply 10:37:52

• Valve seals. sorry to hear that. 12wm? -北航新保理英子- ♀ (0 bytes) () 08/20/2009 postreply 10:43:30

• 回复：Valve seals. sorry to hear that. 12wm? -annoname- ♂ (47 bytes) () 08/20/2009 postreply 10:56:25

• valve stem seals 换起来不难 -xxhhwxc- ♂ (80 bytes) () 08/20/2009 postreply 12:00:52

• 您换过？ -北航新保理英子- ♀ (0 bytes) () 08/20/2009 postreply 17:00:45

• yep。你需要买或者租一个valve spring compressor -xxhhwxc- ♂ (204 bytes) () 08/21/2009 postreply 16:11:43

• 没干过就是没干过， 别整那些外行话，没意思。 -北航新保理英子- ♀ (0 bytes) () 08/21/2009 postreply 17:04:53

• 算了，看你披了一件女马甲，不跟你一般见识 -xxhhwxc- ♂ (12 bytes) () 08/22/2009 postreply 20:11:12

• it won't affect your emission check -北航新保理英子- ♀ (0 bytes) () 08/20/2009 postreply 14:13:08

• That isn't a pretty thing -internuts- ♂ (438 bytes) () 08/20/2009 postreply 11:30:59

• Check oil consumption first. If every 3kmi burns 1q oil, your e -internuts- ♂ (0 bytes) () 08/20/2009 postreply 12:07:49

• engine maybe at brink of done -internuts- ♂ (0 bytes) () 08/20/2009 postreply 16:29:18

• it should be fixed. Carbon Monoxide might be higher the 0.5% and -fixanycars- ♀ (99 bytes) () 08/20/2009 postreply 20:47:11

• 回复：it should be fixed. Carbon Monoxide might be higher the 0.5% -annoname- ♂ (52 bytes) () 08/20/2009 postreply 21:45:59

• it will get worse as the valve stem seals worn and harden, cause -fixanycars- ♀ (178 bytes) () 08/20/2009 postreply 22:06:59

• 10 years old car, it is time to change. -u92178- ♀ (0 bytes) () 08/21/2009 postreply 16:37:31