2007 Mercury 115 EFI gas in oil.

Bigbear83

Recruit
Joined
Jan 15, 2024
Messages
2
My motor died on the lake with roughly 120hours only. Only top cylinder spark plug fouled like crazy. Come to find out, low oil pressure sensor came on at home while running motor. Drained 6quarts of liquid with gas in oil. Any thoughts where to start?
 

QBhoy

Fleet Admiral
Joined
Mar 10, 2016
Messages
8,310
Was she running cold ? How’s the thermostat? These efi 4 strokes are very plug sensitive too.
 
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