2006 Honda Civic please help me!

I was bought civic 2006 coupe salvage a year ago, and then last week suddenly when I turn on ignition, I feel noise from the enggine and shakes all around a steering wheel, and when I tried to drived shakes and noise still continue, question is : problem is come from transmission or enggine or because its been accident last year but why problem come last week, and how much for repair cost, thank a lot!