VEHICLE WAS IN MOTION ON A HIGHWAY AND AFTER GOING OVER SEVERAL POT HOLES THE ENGINE TEMPERATURE WARNING LIGHT CAME ON. THE ENGINE POWER WAS REDUCED AND AN ENGINE FAILURE LIGHT ALSO APPEARED. THIS IS WHEN I PULLED OVER INTO THE OFF RAMP AND THE VEHICLE CAME TO A SPUTTERING STOP. I PLACED THE CAR IN NEUTRAL AND PUSHED IT TO THE DIRT SIDE LANE OF THE OFF RAMP. I OPENED THE HOOD, SMELLED SOMETHING BURNING, AND SAW SMOKE COMING FROM THE ENGINE. I COULD SEE BURNT CIRCUITS, BURNT PLASTIC, AND COOLANT LEAKING ALL OVER THE ENGINE AND EXPOSED WIRING. HAD IT NOT BEEN FOR IMMEDIATELY EXITING ONTO THE OFF-RAMP, THE VEHICLE WOULD HAVE STOPPED IN THE MIDDLE OF THE HIGHWAY WITHOUT WARNING.