求翻译：嘉年华跑了3万公里，感觉动力不好，可能与喷油嘴有关系，因为咱们使用燃油质地不是特别优良，形成积碳容易把这个喷油嘴糊住，喷油嘴上有4个喷油头，如果堵住一个，加速肯定要下降。再一个积碳多，也容易把喷出来的油给稀释了，动力也会下降。所以，应该洗洗喷油嘴，清洗一下积碳。至于清洗喷油嘴费用，请与您的经销商确认。是什么意思？

Carnival ran for 30,000 km, poor sense of power with the fuel injector, because we use fuel texture is not particularly good, the formation of carbon deposits, this nozzle paste live, there are four injector nozzle on the head, if the blocked one, acceleration will certainly be decreased. A carbon d

Carnival has run 30,000 KM, feel good, and may power injector, and it was because we use the fuel quality is not particularly good, easy to use a build-up of carb