It's non-sustainable.
From the easiest to the hardest oil in oil pan,bad oil gauge, bad oil pump bad cam or crank bearings.
good oil
yes cooking oil is bad for you because its a lot of fat
Either a bad oil pump or the oil sending unit could be bad and giving a false reading or the gauge itself could be bad.
no. bad oil pump, worn bearings or valve guides
A bad oil sending unit, a bad oil sensor.
No, if you have oil in your oil pan, you have other problems. It has nothing to do with your water pump going out or being bad.
the oil pump in the oil pan is bad, or worn bad enough that it no longer can push enough oil
A bad oil sending unit, a bad oil pump, low on oil, or an engine that needs rebuilt.
well it depends on what you mean by "bad"
Very bad.
Oil leak Burnt oil smell as oil spills on hot engine