In that case, the likelihood is that the DPF has filled up with ash from burning off all the soot it has been burning for 99,000 miles. Two options. One is to have the DPF sent away to be chemically ...

There’s no need to panic when a DPF light signals routine regeneration — at least in most cases. Understanding what the warning means will spare you needless worry and help you protect your equipment.

Not legal: “It is an offence under the Road vehicles (Construction and Use) Regulations (Regulation 61a(3)) to use a vehicle which has been modified in such a way that it no longer complies with the ...