A malfunctioning diesel engine failure is by far the most common reason for emergency rescue calls when out at sea. Marine charters and fishing boats are the most affected when requiring marine diesel engine repair. Most marine engine malfunctions can usually be traced to a minor issue that has gone completely unnoticed. This summer, it is important for boating enthusiasts and owners to be keenly aware of the condition of their marine engine as with all parts of a vessel. Fortunately, there are some easy to recognize signs owners can look out for to ensure they won’t need expensive marine diesel engine repair or to…