Malfunction indicator light on 2002 Acura RSX

This light just came on recently, any ideas as to why?

1 answer
You will find that this is a Common Problem for these cars; "The Check Engine Light comes on because a valve in the emission control system stops functioning correctly and has to be replaced."
http://repairpal.com/acura-rsx-2002/common_problems

Read more here;
http://repairpal.com/check-engine-light