It has nothing to do with the oil system, it simply has oil & nitrogen under extreme pressure inside it.
valve cover leak, cam seal leak, external head gasket leak.
valve cover leak, cam seal leak, external head gasket leak.
He is right, also check the oil pump too. If it is very hard to find you may want to remove the timing belt covers and look there too. Oil leaks are truly a pain in the a$$ but if they are leaks (not burning), dont leak on any drive belts or the clutch plate, and less than one qt per gas tank alot of times in the past i just let em go and simply add oil.valve cover leak, cam seal leak, external head gasket leak.