汽油机在运转中如果出现了故障,就会影响正常使用。所以必须及时地诊断出发生故障的原因、部位并设法排除。一般来讲,汽油机故障的诊断方法可分为两种:一是通过汽油机出现的异常现象来诊断,如转速不稳、功率不足、油耗率过高、排气管冒黑烟和烧红、机器发生抖动等等,二是通过出现的异常响声来诊断。 Gasoline engine in operation if there is a failure, it will affect the normal use. Therefore, we must promptly diagnose the cause of the failure, the site and try to rule out. In general, the diagnosis of gasoline engine failure can be divided into two types: First, through the gasoline engine abnormalities to diagnose, such as speed instability, lack of power, fuel consumption rate is too high, the exhaust pipe black smoke and red, the machine Jitter occurs, etc., the second is through the abnormal noise to diagnose.