if manufacturers do not fix this problem I think there will be a mass market for disabling DPFs. I would far prefer it if motor manufacturers found a fix but 3- 5 years on there is no fix in sight. I would think that the cost of running back to the manufacturers dealer for new DPFs / engines / turbos (the two latter items lubricated with what is effectively vegetable oil) every few thousand miles would be unacceptably expensive to the majority of owners.
Volvo claim it is the bio diesel (vegetable oil) component which is getting into the sump which will not evaporate out.
With the expensive 0w-30 oil volvo spec for the engine it is laughable that they refuse to change the oil when it has been diluted with vegetable oil.
It is now a legal requirement that all diesel fuel has to contain 7% bio fuel.
The DPF engines were designed before this was a legal requirement.
The excess fuel getting into the sump was supposed to evaporate before causing problem. Bio fuel (vegetable oil) does not evaporate. Which is why we now are having this problem.
So the EU created the problem by insisting on DPFs being fitted to diesel engines and the UK government completed the stitch up by insisting on a 7% bio fuel component.
We have been stitched up good and proper the EU and UK legislators and the motor manufacturers.
End of Rant
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