Should I drop a gear to increase the revs on my Volvo S80 to clean the DPF on long journeys?

I have a Volvo S80 D5 and regularly do long journeys but not at more than 3000 revs. Should I drop a gear to keep revs up to clean the DPF?

Asked on 1 February 2017 by jerryt

Answered by Honest John

If you do long journeys regularly the DPF will actively regenerate every 200 - 300 miles anyway and you may be aware of it by a drop in mpg on the instant readout and/or a hot, burning smell from under the car. Best not to switch off mid-regen. Better to let the regen complete.

Tags: diesel cars dpf cleaning owning diesel car maintenance

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