coleman 550 outfitter , won't start

[SkyPilot56]

Okay working on a coleman 550 outfitter , new coil, spark plug , inline fuel filter, injector,mass air sensor , code for coil is gone but have another new code pop up E200 called dealership and they had no idea what that meant, have checked wiring harness and ECM was replaced , and yes downloaded PDF manual and it doesn't show this perticular code anyone have any ideas ?? thanks

 

[Lee T]

I would check the valve adjustment, have seen this several times before with no start problems. I know..you would think there is no reason for the valves to out of adjustment but they can be.