What causes a diesel engine to overflow with oil?
What causes a diesel engine to overflow with oil? High Levels of Oil Pressure High oil pressure will cause the fluid to flood a marine diesel engine. An overflow can be the result of adding too much oil, a faulty relief valve or a problem with your boat’s central computer system. High oil pressure can also be the result of your crankcase being clogged with dirt. What causes a car to have high oil pressure? You do often only see it if you have a manual gauge installed to your engine, some cars do have this standard also. Other symptoms...