However, if it knocks heavily under most driving conditions while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.

• 可是，在使用推荐的辛烷值燃油时，要是在大部分行驶条件下爆震严重，请找你的福特授权经销商，避免任何对于发动机的损伤。