poor diesel fuel

例句：

1. 1. The engine needs to be refilled with poor diesel fuel.
   发动机需要用贫油来重新填充。
2. 2. The old car's engine was running poorly due to the lack of proper maintenance.
   由于缺乏适当的维护，这辆旧车发动机运行得很差。
3. 3. The poor quality of the diesel fuel caused the engine to overheat.
   柴油燃料的质量差导致发动机过热。