Most recently answered dpf questions
I have read your general advice.
Can you advise how the regeneration of the DPF in a Freelander 2 works? Does it regenerate anyway when one goes on a long drive or will it wait until it is partly clogged...
In Nov 2009 an error message on my Ford Focus TDCI (56 plate, 65k miles) subsequently indicated that i needed the Diesel Particulate Oil changing. My local reputable independent garage was unable to help...
Regarding latest EU emission regulations for diesel engines, could you please give us more information on the subject of the particulate filters being adversely affected by repeated short journeys? I have...
I am a driving instructor and I do about 700 to 800 miles per week. My question is, would a diesel car be better for me? At first glance at my weekly mileage the answer would seem obvious, but here are...
In January this year we bought a new 3-door Polo SEL 1.6 TDI, downsizing from our long-lived, and immensely practical, Saab. In most respects the Polo fits our present needs very well indeed and we have...
What is your opinion of plug-in diesel upgrades kits for increased mpg? Bearing in mind the high cost of diesel, are they worthwhile? How many miles would it take to recoup the initial layout cost? If...
Now that a nice lady has written off my Mercedes-Benz SLK I am looking to replace it with a diesel convertible. Due to the weather I haven't been able to test-drive yet, but I like the MINI and Audi A3....
My brother has a '10 van that has been running rough, loss of power etc. He returned it to the dealers and they have told him the roughness is due to him using Supermarket diesel (in this case from Tesco's),...
I’m no great fan of the EU, but I think your reply to GR of Warrington blaming them for the clogging of particulate filters was a bit off the mark. Yes, the EU called for better street-level air quality...
On 2 December 2010 I bought a diesel MINI Countryman ALL4. This is the first diesel-engined car I have ever bought. I am delighted with it as a car. It is comfortable and the performance is lively and...
Elsewhere on 
