1999 Ford f250 diesel fuel mileage Source Source Source Source Source Source Source Source Source Source Read Also: 1999 Ford f250 diesel mileage 1999 Ford f250 diesel mpg 1999 Ford f250 super duty diesel mpg 1999 Ford f250 7.3l diesel mpg 1999 Ford f250 4x4 mpg 1999 Ford f250 diesel fuel economy