Would indicate that there is water getting into the internal engine therefore could be a crack or leak in some major component. Water will not compress therefore apart from causing other general problems by being where it shouldn't be, if placed between two moving parts could cause a major malfunction.
Extensive water in the oil can damage bearings but, a small amount of condensation is normal in motor oil. It will usually build up on the underside of the oil cap. It can be caused by moisture in the air, or blow by in older motors.
No, you can even mix synthetic with conventional oil. It will do no harm at all.
it is prefferable to use 10/30 oil mixture because it doesn't harm the motor and the mixture's density is proper
As long as is motor oil 10w30 or 10w40. You should be fine. Just make sure you put the oil in the correct destinations. for example ; Motor oil in the motor. Transmission oil in the transmission.
Poor oil control and overheating on the 2.5L caused the fires.
If you insert the oil in the tank, where power steering fluid should be, then yes, it´s harmful.
That brown goo is caused by condensation. You may need a new cap.
Yes it will not.cause harm but you , might want to check the blend . Meaning that you may want to see if you are doing a 50/50 blend Ect
You need to define the oil. Motor oil - then no. Motor oil can seriously harm the dog's health. Salmon oil or Evening Primrose is another story. A small amount of these oils once a month will help keep the skin supple and help make the hair shiny.
If you are mixing motor oil with honey then yes, it is going to make you ill. But I assume you mean food oil, in that case no harm, not exactly healthy but still.
Brother if you are asking it for burning, don't even think about it. Motor oil has lead, benzene, zinc, cadmium, and even arsenic and many other toxic chemicals which not only harm you and others around you but also have a dreadful effect on environment.
You drain the oil immediately. If you run the engine with coolant mixed with the oil you will do serious harm to the engine. If you continue to drive it in this condition you will destroy the engine.