Green with With DCA attivate that you can get at Ford dealer or parts stores it uses test strips to check PH level to prevent cavation.
The optional diesel engine in an '04 F250 Ford is a 6.0L V-8 Turbo Diesel made by Navistar (International)
Most diesel engines have a block heater that heats the engine coolant so that the whole engine is warm to make it easier to start on cold mornings because a diesel uses compression heat to ignite the diesel fuel.
It could either have a gasoline engine or a diesel engine
What Year model
4 gallons
7.3 Liter Turbo
7.3L turbo
15w40
top center of engine
what engine? most will be close to the t-stat.
should be on top of the engine. it doesent look like a normal fuel filter.
should be a C-6