have had prior wiring harness issues but has been fixed, 167k on motor, many new parts, rotors,callipers,battery,clutch kit,plugs,wires,fuel injectors,lower ball joints,ect its is a project for my son and me, eventually turboed as well
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1997 Mitsubishi Eclipse Question: #4 spark plug fouls often, any suggestions why?
Answer #1G. T. Service Center (2391 Answers) , Stephenville, TX - (254) 638-3236ProfessorG December 21, 2013, 12:32Master
Just a suggestion; Bad valve guides, seals, collapsed piston rings, PCV valve. Turbo could have helped cause ring problems on high mileage engine.
Replymy97eclipsegs, December 21, 2013, 13:06Rookie
pull a missfire on cyl 4 on diagnostic, has happened before,when replace is fine for about a yr, motor seems to be mechanically sound, thanks for your input though, greatly appreciated
Replypushrod, December 21, 2013, 15:37Master
Should be able to live with a once a year spark plug change!