Mariner 220hp Efi running funny?

cjmwlove

Recruit
Joined
Jan 7, 2013
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2
Hey all, i have a 1988 or 89 mariner 220hp efi outboard and im having a few issues with it.

I am very new to boating and was wondering if someone could help me figure this out. I will post each issue seperately though.

When running the engine at high speeds it is fine but as soon as it is running under 1500rpm or idleing it doesnt like it and starts to judder and sometimes stalls, some times it starts up fine again others it will not start and seems like it is oiling up, does this sound right? What is the isse and what should i be looking at/for, does anyone know?


Many Thanks
 
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