Help: the check engine light is on

My car is Camry 2003, two days ago, the check enginen light is on, code scan is P0456 said" Evaporative Essisition Control Sysytem Leak detected ( small leak ). where is the excately problem and how could I fix it. Thanks a lot.

所有跟帖： 

• 試試緊油箱蓋 - 回複：Help: the check engine light is on -pjiang- ♀ (0 bytes) () 03/08/2010 postreply 15:58:39

• Thanks, I did -marie628- ♀ (0 bytes) () 03/08/2010 postreply 16:55:31

• Did you fill the gas in last couple of days? if yes, -mesu- ♂ (246 bytes) () 03/08/2010 postreply 17:30:47

• if it is not a loose gas cap -sunda- ♂ (156 bytes) () 03/08/2010 postreply 17:47:58

• here is the link to more information -sunda- ♂ (30 bytes) () 03/08/2010 postreply 17:50:20