One problem related to engine burning oil has been reported for the 1998 Mitsubishi Eclipse. The most recently reported issues are listed below.
Engine burns oil at approx. 1 qt per week, also has possible leaks in engine with only 69,000 miles on engine. Has had regular oil changes for life of engine. Brake rotors warped and need replacement, unsure of when last changed. Transmission slips and shifts hard with slow or fast acceleration.