the oil
Don't know how much gasoline was put in or how much diesel was in the tank before gasoline was added but if you didn't run the engine after the gasoline was put in and you drained it, you should be okay.
Diesel engines run on diesel fuel. Gasoline will destroy a diesel engine.
NO, do not use diesel oil and a gasoline engine.
Both are petroleum products but gasoline is refined further than diesel is.
No, putting gasoline in a diesel will destroy the diesel engine.
Yes, putting petrol/gasoline in a diesel engine and running it will cause severe damage to the engine.
Their car either wont start or will shut off the the diesel gets to the engine. no damage. they'll just have to drain all the diesel out. If you're talking about putting, say, 1 gal of diesel into a gasoline tank that has 5 gals or more of gasoline the performance of the engine will be reduced. If this was the case (mistakenly put a small amount of diesel in a gasoline vehicle) I've simply fill the gas tank with gasoline and had no other problems; I was a gasoline retailer for many years so I'm talking many dozens of mistaken 'self-serves' that were non-events. Of course, if the gas tank that diesel was installed was near empty and someone put 5 gals of diesel into that tank it is best to drain that diesel before refilling with the proper fuel. Hope this helps. AND I would like to add this does NOT have any validity if one has put 1 gallon of gasoline in a DIESEL vehicle...If you added gasoline I strongly suggest you drain ALL of that mix out of that DIESEL powered vehicle immediately. DO NOT THINK of starting it.
Depending on what you mean by breaks, if you engine is no longer pressurized the diesel will not combustion in the cylinder. Diesel has to be pressurized before it will ignite, unlike gasoline.
Gasoline
Gasoline engines cannot run on diesel. Only a diesel engine can run diesel. And a diesel engine cannot run on gasoline.
Mix diesel in a gasoline engine and it will stall or run very poorly depending on how much you mixed in. Mix gasoline in a diesel engine and you will have engine damage.
The gasoline engines have four.The diesel does not have any.The gasoline engines have four.The diesel does not have any.