Mitsubishi Repair: Cold start, power loss, vacuum lines, throttle response

Question
92' Eclipse, 2.0 Turbo, GS, stick

One morning a few weeks ago, I tried to start the engine in my car. The engine cranked over, however it did not start. I had the battery, the starter, and the alternator checked out. They all checked out good. I also replaced the fuel pump and fuel filter. I found out that the the plugs are getting good spark, when I pulled them, and I found out that they were dry after cranking it several minutes. I also checked the fuel injection rail and it had fuel pressure. I then proceeded to take my car to a shop and I had them scope it. They told me that the injectors were not getting the proper ground to operation correctly. I checked all the vacuum lines, grounding cables, etc. under the hood and under the dash and I couldn't find anything wrong. After cranking it off and on for 10-15 minutes, it will start and drive, but it has lack of throttle response in power. Also the check engine light comes on after a few minutes of idling. Finally after a week of troubleshooting, the problem fixed itself and worked fine for approximately 3 days, but after those days the problem returned.

Answer
Quinn,
You could possibly have a malfunctioning computer.  Read this information for further information:
http://www.90gsx.com/eclipse/cap/caps.htm

If the ECU is damaged, it can cause sporatic probblems like the ones you're experienced.  Pull the ECU and check for damage.  
Good luck!