What oil viscosity for 2000 ford econoline E-250 van?

The recommended oil viscosity for a 2000 Ford Econoline E-250 van depends on the climate and the engine it has (gasoline or diesel). You must check your owner's manual for the precise recommendation. It will likely specify a range of viscosities, such as 5W-30 or 10W-30.

However, in general, for a 2000 E-250:

* For warmer climates: 10W-30 or even 20W-50 might be suitable.

* For colder climates: 5W-30 is a better choice.

Do not rely on this information alone. Always consult your owner's manual for the manufacturer's specific recommendation. Using the wrong viscosity can damage your engine.