Why does our Volkswagen Passat over-rev and lose power when we change gear?

Our 2012 Volkswagen Passat 1.6d appears to over-rev when changing gear, but at the same time as the rev counter rises, the engine loses power. It has been recalled and had the emissions fix done. Do you suggest we contact the franchise which did the work or is this something we need to live with?

Asked on 12 December 2017 by

Answered by Honest John

Yes, definitely. The fix involves an additional injection cycle to reduce NOx without creating too much soot. The injectors have to work 50 per cent harder. I think that's where the problem lies.

Tags: loss of power diesel cars consumer advice emissions fix

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