求翻译：古德拉克汽车保养专家岳先生提醒车主：喷油嘴清洗的频率，要根据车况和平时使用的燃油的质量来确定，长期不清洗或者频繁地清洗喷嘴都会造成不好的影响。一般来说，现在大多建议车主在2到3万公里左右进行清洗。车况好、燃油质量好可以延长到4到6万公里左右。是什么意思？

Mr. Yue Goode Cadillac car care experts remind owners: fuel injector cleaning frequency, according to the condition and usually use fuel quality to determine long-term cleaning or frequent cleaning of the nozzle will cause a bad influence. In general, most recommend that owners to cleaning 2-30000 k

Ancient de Mr. since automobile maintenance experts remind owners: nozzle cleaning frequency, according to status, the quality of fuel oil used to determine, the long-term is not clean or frequent cleaning of the nozzle will cause bad effects. In general, it is now recommended that most car owners i