sounds electrical...clean the 1/0 battery cable what connects to the chassis ground with a wirebrush and re-assemble with a battery that is NEW or newer than five years old~
Has it had a tune up lately? A twenty two year old car could have many causes for a engine miss.
are there are any check engine lights? if so have you had it scanned ??
Looking for a Used Eclipse in your area?
CarGurus has 918 nationwide Eclipse listings starting at $1,800.
Search Mitsubishi Eclipse Questions
Mitsubishi Eclipse Experts