I bought a used car and they told me nothing was wrong with it, 2003 honda...

[hiholow]

...accord 107,000 mls? Brought it home next day wouldn't start...to make a long story short check engine came on next morning and I was p;issed...I asked for my money back and they said no, but they will fix it...I don't want this car, they lied to me and told me nothing was wrong with the car..I would have never bought the car had I known the check engine would come on and need a catalic converter...I want my money back and they said they won't give it back..THIS IS BULL