It may be the floats are stuck in the carburators or the chokes may be stuck on.
The carburretor float valve is stuck open or the float is punctured/stuck down.
Driving through flood water would cause the ignition to fail and stall the engine.
if you press the pedal to much that is what can cause the engine to flood
No spark?
bad valve stem seals
Check engine light on?? Not running on all cylinders?
The ocean would probably overflow and cause a flood to occur.
bad ignition coil, bad ignitor
Bad hydraulic cylinders.
42 hours commen sense. If you read the Bible you would know that.
The most common problems would be a weak or no spark OR old bad gas.
Presumably they would be cylinders.