Quote:
Originally Posted by Ringthane
My understanding is, and I’m sure that there is someone on this forum more knowledgeable than me, that can correct me if I’m wrong, that diesel dilution of the oil, will raise the level, but because diesel is more volatile than the engine oil, the diesel will be vented out of the crank case breather system, when the engine is hot enough for long enough.
So a blast down the motorway would cause the overfill warning to go away by itself.
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Well with prolonged journeys this would indeed happen as the temperature of the oil inside the engine will be well over 100C . I cannot see this evaporating off a litre of fuel in one journey though .