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Smoky when accelerating


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Hi all

I have a 2015 Forester XC Premium. It's done a smidge over 37k miles and it emits quite significant amounts of smoke when accelerating, either from rest or on the move e.g. when overtaking. I spoke on the 'phone to a Subaru dealer technician who suggested changing all filters, particularly the oil and fuel filters of course. This was done at its last MOT / service but it hasn't solved the problem. Anyone have any ideas?

Edited by Newn
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What colour is the smoke - blue would indicate oil from valve stem seals, black is more likely running rich - whiteish is coolant being burnt.

It may be my ignorance but I cannot see how changing the oil filter will affect exhaust smoke?

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