柴油机功率不足的常见表现:发动机运转均匀,无高速,排气量小;发动机运转不均匀,排气管排烟不正常。以下就上述两种情况产生的原因及诊断与排除方法作简单介绍。1·发动机运转均匀、无高速、排气量小(1)现象拖拉机行驶动力不足,加速不灵敏,踩下油门踏板,转速不能提高到规定值,排 Diesel engine power shortage of common performance: the engine running evenly, no high-speed, small displacement; engine running uneven, exhaust pipe smoke is not normal. The following two cases of the causes and diagnosis and troubleshooting methods for a brief introduction. 1 · Engine running evenly, no high-speed, small displacement (1) phenomenon Tractor driving power shortage, acceleration insensitive, depresses the accelerator pedal, speed can not be increased to the specified value, the row