Assistance required!

[AmericaMonster]

During a routine inspection before to a lengthy journey, I saw a significant accumulation of oil on the surface of the injectors. Is this a matter of great importance or significance? The Auro 5 engine was manufactured in 2015.

[Ziinsig]

Providing information about the specific car and engine type might facilitate assistance from others.

[AmericaMonster]

The Auro 5 engine has a displacement of 2.1 litres and produces 311 horsepower.

[Ziinsig]

Are you seeking assistance and is that the most optimal effort you can make?

Incidentally. The current emission standard for vehicles is Euro 5.

[AmericaMonster]

What further desires do you have? The engine in question is equipped with a Euro 5 emission standard and was manufactured in 2015. I have seen the presence of oil on the surface of the injectors and I am seeking guidance or recommendations on how to address this issue.

[Ziinsig]

It would be appreciated if you could display some etiquette.

Best wishes!

[Captiva]

Information about the car includes its model, age, fuel type (petrol or diesel), engine configuration (V6, V8, or inline 4), and engine size. The individuals here are very helpful, however it is necessary to provide them with occasional hints on the nature of the engine.

[AmericaMonster]

2015 Sprinter vehicle with a 2.1 311 cdi engine and 270,000 km. Thank you for responding.

[Ziinsig]

There, that wasn't challenging, was it?

[Captiva]

Is it possible that the injector seats are leaking?
If such is the case, the "oil" refers to diesel fuel that has been lost, and the heat generated by the engine will cause the liquid to evaporate, resulting in what is often known as "black death" (which is not as severe as it may seem).
Perform a search for "black death" on this platform or on the internet to access a wealth of information.