The exhaust pipe of a car burning oil is bound to turn black. However, if you don't have abnormal fuel consumption, then you can't throw the black exhaust pipe to burn oil!

There is no need to worry about the black exhaust pipe of a new car, because no matter what car you buy, the exhaust pipe will turn black!

It is impossible for a car engine to burn gasoline completely. Some unburned impurities are always removed and finally attached to the exhaust pipe. Especially in the start-up stage of cold car, "insufficient combustion" is more likely to occur, so the generation of carbon deposition is inevitable! Of course, problems with oil products can also cause insufficient combustion.

There is also a situation that needs everyone's attention, that is, the exhaust pipe of the direct injection engine in the cylinder will turn black quickly, even if it is a new car, because the direct injection engine directly injects gasoline into the cylinder through the nozzle instead of supplying oil with steam.

After the direct injection technology is adopted, the fuel enters the cylinder in the form of fine droplets. Due to the special structure of direct injection engine, its "self-cleaning" ability to carbon deposit on the back of intake valve is much weaker than that of ordinary EFI engine. Therefore, although the direct injection engine saves fuel, the problem of carbon deposition is also very annoying. Just ask the owner of Fit and clean up the carbon deposits regularly.

Therefore, as long as the engine carbon deposit is not serious and there is something wrong with the engine oil and oil, there is no need to be nervous when the exhaust pipe turns black! If you really feel ugly, you can clean it up yourself!