i have a 2003 sonata was running rough but after driving for an hour it would stop and run great, it i checked it and it said it might be plugs wires or coils and also a sensor in the transmission, n

something is not properly grounded.

It burnt out computer n coil and was told to junk the car, should I get 2nd opinion

Hyundai cars have no resale value because they have a reputation to be junk, so yes you might want to cut your losses and get something else.

Well, I am junking the car, sad to say, but I think its the best for me to do