Almost total loss of power

Gregory Guineapig · Oct 26th, 2020, 09:52

I have a 2004 V40 diesel Sport estate. It's always been very responsive and quite quick.

Some time ago, the idle got lumpy, but seemed to clear a bit after a while. Then the low revs acceleration dropped off, and soon got to the point where nothing happened until about halfway between 2000 and 2500 revs. Then there would be a short burst of its old power until about 3000, then flat as pancake again. Now it has even lost that narrow band of power. With my foot on the floor, in second gear, it will eventually get to about 3500-4000, but nothing more and feels like an old lorry with a governor set to low revs. Fuel consumption gone up.

Italian tune-up impossible, and embarrassing/dangerous when pulling out of side road.

One last thing, I can't hear the turbo at all (I used to be able to hear it faintly when winding up), so assume that's the problem.

What is the best way to proceed?

Oct 26th, 2020, 09:52	#1
Gregory Guineapig New Member Last Online: Sep 10th, 2021 09:17 Join Date: Sep 2016 Location: Norwich	Almost total loss of power I have a 2004 V40 diesel Sport estate. It's always been very responsive and quite quick. Some time ago, the idle got lumpy, but seemed to clear a bit after a while. Then the low revs acceleration dropped off, and soon got to the point where nothing happened until about halfway between 2000 and 2500 revs. Then there would be a short burst of its old power until about 3000, then flat as pancake again. Now it has even lost that narrow band of power. With my foot on the floor, in second gear, it will eventually get to about 3500-4000, but nothing more and feels like an old lorry with a governor set to low revs. Fuel consumption gone up. Italian tune-up impossible, and embarrassing/dangerous when pulling out of side road. One last thing, I can't hear the turbo at all (I used to be able to hear it faintly when winding up), so assume that's the problem. What is the best way to proceed?

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