As a result of contamination-clogging car dynamics will get worse significantly, car doesn't start any more well, increases fuel consumption, engine idle speed is unevenly, acceleration get's worse. The aforementioned problems can be solved by using periodically injectors cleaner.
use: pour packing into the tank before filling up fuel tank, then refuel. Spend entire fuel without interim refuell. packing intended to 40-60 litre fuel.
product is safe with catalyst, turbo-charged and oxygen sensor engines.