model is fplees. I am having problems with the engine above idle. It shakes violently and then smoothes out at 1200 rpm shakes even worse at 1500 and above and wont plane out. No alarms showing and the system cycles everytime when started. I noticed cylinder 1 was not firing somehow plug was loose and had wet oil on it. ( so it was replaced) Now no wet oil since replaced but still have issue. No other plugs are loose or fowled. I do have oil sitting cowling since it was pumping but not firing. Will cough and spit once and a while at idle now as well. All plugs are indexed correctly. Any ideas what might be wrong? Sorry but I am a newer owner and pretty dumb about this stuff. WHen it happened it was like I hit something because when I was idleing and then the engine just jerked and shut off. Now the issue. Please advise.
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