I've been advised to replace the DPF filter on my 2006 Passat by Volkswagen for a price of £1850 - but I am not convinced that this will improve matters. The car went into limp-home mode in July, and ...

The DPF light suprisingly came on after a motorway run between Liverpool and Northumberland. I tried the usual of driving as the manual stated, but an extra light came on saying take to garage! I ...

To paraphrase Pete Townshend of The Who, we're not trying to cause a big sensation; we're just talkin' 'bout regeneration. DPF regeneration, that is. It's the process of cleaning a diesel particulate ...

If you’ve been behind the wheel long enough, you’ve probably got your own DEF horror story. Maybe it was a sensor going out halfway up a mountain grade, forcing you into limp mode at 5 mph while ...