Thank U all....
i think i have to go the Garage Again....
make sure which one is not working...
It's O2 Sensor......
but the Mechanic did tell me...
if i change that one...
if the light still ON...
then i have to Change 3 of THEM!!!!!
that's a Head Ache u know....
Cause i'm living in Central America...... Belize.....
So i have the Only 1 IS300 in this Country........
Everything Expensive here.....
Headache......