Are engine revs raised during DPF regeneration?

Are engine revs raised during DPF regeneration on a Nissan Qashqai?

Asked on 30 July 2019 by Dave Jones

Answered by Honest John
No. Extra diesel fuel is post-injected into the engine to ignite the DPF and burn off the soot during active regeneration, but engine revs should not rise. What you might experience is the radiator cooling fan running hard and continuing to run after you switch off the engine because of the extreme heat.
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