How many oxygen sensor ford econoline e250 have?

There can be from one to four oxygen sensors used in a Ford Econoline E250, typically found on vehicles equipped with fuel injection systems. Most commonly, vehicles with V8 engines feature two sensors, while V6 engines tend to have four.

Some models may incorporate a single sensor location upstream (before) the catalytic converter, while others have an additional downstream (after) sensor as part of the emission control system. Regardless, the number and placement of oxygen sensors may vary depending on the specific year and engine type of your Ford Econoline E250, so refer to your vehicle's workshop manual or verify with a qualified mechanic to obtain accurate information.