Kia Troubleshooting Questions? Ask a Mechanic
Hello, sorry for the delay. what brand and type of oil do you use? what type of filter? just gathering information, thanks
This is normal for the GDI GasolineDirect injection system on the newer car.
Gasoline Direct Injection engines are considered an important source of carbonaceous nanoparticles; they produce higher levels of soot as the process of fuel vaporisation and gas-phase mixing remains essentially incomplete. The soot is mixed with the clean oil therefore you are seeing black color oil.
This is perfectly normal.
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