Hello can anyone tell me... What could be wrong with my car.... So i was driving my car the other day. And all of a sudden my car dropped power started making a rattling noise under the car and a very loud hissing noise. Now its smoking under the car. I hope i m saying this the best way i hope you all can under stand what im trying to say...... The car has no power at all there is no pressure coming out of the exhaust. Please help me what could this be. Also theres no codes reading......

 

Turbo or not turbo engine, might help knowing