Where does the gas filler fit in a diesel car?
Where does the gas filler fit in a diesel car? That’s why the smaller diameter gas filler nozzle fits into the larger filler opening of diesel cars. Then in 2009, BMW launched its clean diesels in the U.S. with a “misfueling protection device”—essentially a gas cap replacement with a diameter specific to diesel nozzles—as standard equipment. What happens when you run gasoline through a diesel engine? Diesel fuel itself acts as a lubricant for the fuel pump and delivery system as well as the valve train. Running thin, low viscosity gasoline through a diesel fuel system would starve it of...