The computer, fuel pump, fuel filter, brakes, ignition module, dashboard lights, struts.
The car was a great running car in the beginning. After driving it a few months things sporadically began failing. It's been a wasted investment.
The vehicle is 16 years old, what did you expect?
Brakes, fuel pump, ignition? All things a 16 year old car needs to be replaced? In fact any car 16 years old would need those things... what did you expect?