Chip shock

I got my Peugeot 406 2.2 diesel coupe ECU remapped in October. It didn’t run very well at all until I cleaned all filters. Now she will run 100% for about 3 weeks then the filters will clog up again. What...

Just diesing

I am thinking of buying a FIAT 500 with the diesel engine. I recall that some time ago you said that there had been problems with the diesel engine but I can't remember what they were. Also, the diesel...

Should I have the oil changed in my Volvo V70 following the DPF recall related to oil contamination by fuel?

You probably know that Volvo have issued a safety recall related to rising sump oil levels in their D5 Diesel engines with a DPF, which is caused by excess fuel entering the engine sump via cylinders during...

Diesel Particulate Filters - Confused

I currently own a Toyota Auris T180 with the 2.2 D-Cat diesel. It is a great engine but the cabin is disappointing and, having recently become a grandfather, I need more boot/closed hatch space. I am tempted...

Will the Skoda Octavia Estate diesel be suitable for my seven-mile daily commute?

I’m interested in purchasing a new Skoda Octavia Estate with the 1.6 CR diesel engine, but I'm concerned whether my daily drive to work is suited to a DPF. One way, my journey is rural and about seven...

Obsessed with smut

I have been investigating details of new cars, though I do not expect to buy one yet. On the whole, diesel cars are more economical and may produce less carbon dioxide than petrol powered cars. However...

Must be choking

I recently brought a new Audi 1.9TDI from my local Audi dealership in a London suburb. After approximately one months ownership I started to encounter issues with the diesel particulate filter. The warning...

Smokeless moans

As a pensioner I have understood diesels to be less efficient than petrol on short journeys as they take awhile to warm up. Can you explain what EGR and DPF are?

Sootable case for treatment?

In April 2009 I bought a one-year-old Nissan X-trail. At the end of July, having covered 2000 miles in France in just over a week the particulate light again came on together with the Malfunction light....

My particulate problem

My 2007 Hyundai Tucson CRTD CDX 07 diesel has been showing a flashing amber warning light. The handbook says "emissions system check particulate filter.” The advice given by the dealer is to run at sustained...