Diesel is coming into the motoroil?

Hyundai i40 1.7 Diesel 136Hp 2012 Aut.

There is coming Diesel in the motoroil.

0.5 cm. more oil in 300 km.

I have before drive about 3.000 km. after oil change. and there was about 3 cm. more motoroil than normal. It's alot... and not good.

The car have total drive 280.000 km.

Hyundai in Denmark have used one week, tried to find the problem, without luck.

Is there anyone who know about this problem (Diesel in mortoroil).

Lars, Denmark.

Answer this question I have this problem too

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Hi Lars,

Its quite possible that one of the diesel injectors that supply your engine with fuel is leaking. If that is the issue, by replacing the defective injector, you should eliminate your current issue.

Best of Luck!


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Lars Aasted Jakobsen will be eternally grateful.
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