注意上述维修工作将提高发动机性能并节省燃料。
Attention to these service functions will improve engine performance and fuel economy.
为提高发动机性能、减轻质量和降低生产成本，开发了一种新型的裂解连杆用钢。
In order to improve engine performance, reduce weight and production cost, a new kind of fragmentation connecting-rod steel is developed.
还应检查点火连线及其接头，调整空载速度，更换压力调节阀。注意上述维修工作将提高发动机性能并节省燃料。
He should also check ignition wires and connections, adjust idle speed and replace PCV valve. Attention to these service functions will improve engine performance and fuel economy.
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