James1980 Posted June 24, 2019 Share Posted June 24, 2019 My car has developed a misfire at 4k revs after I gave it some stick now struggling to get it past 4k revs 2003 bugeye wrx Quote Link to comment Share on other sites More sharing options...
Impreza abuser Posted August 19, 2019 Share Posted August 19, 2019 What boost are you running? If standard then check plugs, if mapped check plug gaps aren't too big Quote Link to comment Share on other sites More sharing options...
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