Gasoline Engine problems of the 2000 Mitsubishi Eclipse

Consumers daughter was driving, noticed black smoke coming through air conditioning vents, vehicle looked to be on fire, consumer took vehicle to dealer, and they could not determine what had cause the fire. Prior to the fire, the engine would start, air condition was inoperative,sunroff was inoperative, mirror were inoperative, emergency brake was inoperative needed to be readjusted,fog lights stayed on even with the key out of ignition, windshield wiper was inoperative, cargo cover was loose, there was a problem with the power steering.

While driving at 50 mph, all of a sudden speed drops from 5o mph to 20 mph without warning. Driver was able to exit off the road safely. Dealership and manufacturer were sent a certified letter about the problem. A new engine and a new computer chip were put into the vehicle. Please provide any further information.

I was sitting in the car with it idling eating diner. I noticed smoke coming from under the hood and went inside and called the fire dept. When I returned the car was ingulfed in flames. The car was a total loss. My insurance CO hired a fire investegator to investigate. It was determind to be a mfg. Defect that is all the information I was given. My insurance CO. Is allstate and they paid the car off and of what I owed on the car. I lost my down payment of 2,000 dollars. I don't think I should of lost anything on something that was there fault. I talked to the Mitsubishi CO several times and they told me sorry my tough luch and my loss. I would like any help you could give me on this. There were no police on the seen but the fire dept. Made a report of this accedent.

Vehicle is subject to losing power or shutting down while being driven 40-50 mph. Dealership is unable to detect cause of problem. Please describe details.