The firing order for a 2.3L Ford Ranger engine depends on the year. There were several variations of the 2.3L engine used over the years, each with a different firing order.
You MUST find the firing order sticker located under the hood of your specific vehicle. This sticker is crucial for accurate information.
Without knowing the exact year and engine code (found on a tag on the engine itself), I cannot give you the correct firing order. Providing the wrong order will severely damage your engine.
Do not attempt to determine the firing order without consulting your vehicle's information.