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2011 2.0 TDI rough when cold

steveball

New member
Over the past week it’s been around freezing overnight and I have noticed a very strange issue with my car.

It starts on the turn of the key, ticks over like normal, and you can rev it with the clutch in once warm to the redline without any issues. However the issue is under load, usually when cold. I drive off the estate slowly and once on the main road I accelerate to 60mph, not quickly just standard driving. I then receive a strong shake and judder, like I have changed from 1st to 5th gear and it’s about to cut out. I can drive through this, then a knocking sound appears from the engine. It again is only under load and seems to quieten once the car is fully up to temperature.

So in summary,

It judders, knocks and uses extra fuel

I don’t get any smoke, there are no codes registered and there is plenty of oil.

One thing I have noticed is this is sometimes when I am on less than 50 miles on the obc left before filling up.
 
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