lean-burning indicator light on-why?

[EG8]

http://img229.imageshack.us/img229/5310/13ci.jpg

any idea guys? keep light on ,i dont have any idea why this happen.
thank you in advance for your input.

 

[KL3873Q]

check your catalyst converter, either sensor kong or the converter kong.

 

[EG8]

allright thanks!

 

[blur_civic]

For me it is the O2 sensor kong.. :( hard to find..

 

[EG8]

ok, assumed if that my o2 sensor kong, what will happen next? so far my car never give me headache yet ( touch wood ) due to this problem.thanks for the input

 

[sr215]

when 02 sensor got kong, 4 valve become 3 valve (operating) meaning fuel consumption is HIGH! Change your o2 sensor. If you late, 3 become 2, 2 become 1, then your engine KONG! Change it fast.