Quote:
Originally Posted by S60D5-185
The amount of fuel in the tank should have no bearing on the car's ability to carry out a regen and in any case I would never want to run the tank that low..
Doing a long enough journey every now and again ( high speed has nothing to do with it )certainly will though as it will allow the DPF to carry out the regen successfully if required.
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My thoughts exactly I've never run a tank on any car that low as it increases the chance of stirring & sucking up sludge from the bottom of the tank