please help me YMH,engine light on?

[movearound]

what is wrong?

 

[月下独酌]

could be MANY MANY things
get a mechanic to read to code

 

[#2~basket b boy]

黑哥，我的灯又亮了，上次你说是排气系统的问题，有没有必要修（我的车是SATURN SL1 97) ？