What type of coolant does the 2002 ford ranger use?

The type of coolant You should use on Your vehicle depends on what the color of the coolant was when You purchased Your 2002 Ford Ranger. If Your coolant was green, then You would use Motorcraft Premium Engine Coolant meeting Ford specification ESE-M97B44“A. If Your coolant was yellow, then You would use Motorcraft Premium Gold Engine Coolant meeting Ford Specification WSS-M97B51“A1. The purpose of engine coolant is to reduce overheating in Your vehicle and also to prevent the engine from freezing in cold temperatures. Due to its function in regulating the temperature of Your vehicle, it's important that You use the correct type of coolant. Make sure You check regularly what the level is and top off when it is needed.