2013 Mercury Verado 250

by Paul S.
(Mooresville, NC)

Engine was running and starting fine. Suddenly while cruising I hear an audible alarm and see a warning: "Critical System Fault
This is a new boat to me and I've had it running for probably 4 hours since I bought it. Longest run was my shake down test in Lake Erie where I ran it about 20 miles with no issue. I brought it home and had run it twice for about 45 minutes, then this happened shortly after heading out to go fishing and while cruising at about 3500 RPM for two minutes.

Tried stopping and restarting. The alarm doesn't come on again while idling, but starts up again if I increase RPMs above idle.

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