No, you cannot put regular fuel into a diesel engine, because the two fuels burn at different temperatures. You can try cleaning your engine, they make products to remove buildup, and this will help your mileage.
Drain the tank, change the fuel filter, refill with diesel.
Drain out all of the gas, change fuel filter, add diesel, prime system, cross fingers, start, and hope for no other problems
You may be able to find a diesel additive and just use the gas in the tank.
The Ford F350's take diesel fuel in most instances unless they have been modified to take regular fuel. Be sure to check your owners manual to see which kind of fuel your truck takes.
Yes a diesel pickup truck will be more fuel efficient than those that run on normal fuel. Diesel is designed to run longer than the regular fuel however it comes at a higher cost.
Most large trucks use diesel fuel. Some also use regular gasoline, and some specialized truck run on compressed natural gas.
A diesel truck has as one fuel injector for each cylinder. So a v8 diesel has 8 injectors.
It can be blended with regular diesel fuel in any ratio. It has about the same amount of energy as petroleum diesel fuel. Its use reduces the amount of required oil changes. the only down fall is its not available at most major truck stops.
You can only use the fuel oil in the diesel truck.
change the fuel filter
Fill up the fuel filter with diesel fuel before you try starting it.
It would be a diesel fuel cap and if the truck would fit through a car wash you would need to change fuel filters.