wat is yellow check engine light is for??
its a fault....But not a gud sign...better show your car to some1 professional...btw which car is it?????
its a daewu cielo..
There are many reasons. To find the correct one, you must use an OBD scanner to read the fault code that will tell you why this light is on. Try not to guess.
Yup there r many reason for the check light...most probably bcoz of any sensor that might not b working.