How can I un-clog my Vauxhall Zafira's diesel particulate filter?

My Vauxhall Zafira comes up with the warning light for the particulate filter, and a couple of times has almost ground to a halt. Will hard driving help and for how long? Is there a fuel additive that...

On the level

My daughter has a Mazda 6TS2, purchased in April 2008. It has just been in to the local Mazda main dealer have a few faults fixed under warranty one door lock not working, shuddering when braking (they...

Flashed in the pan

I own a 2.0 170 TDI PD with DPF and on our web site Seatcupra.net and other VAG web sites we are getting news of the franchised dealers reflashing the ECUs to a lower PS (about 155) so the reliability...

Moteworthy

My Dad (aged 66, retired, disabled) is about to take up a car on the Motability scheme. His first ever new car. He is pretty mobile, his disability is around angina and late onset diabetes, but quite a...

What's causing this 'anti-pollution fault' on my Peugeot 307SW?

I have a problem with my 2003 Peugeot 307 SW HDi. The fault is showing up as an anti-pollution fault. It comes on intermittently and the car is running very sluggish and losing power now and again. I have...

Are short journeys damaging the DPF in my SEAT Leon?

I have a 57-plate SEAT Leon with a DPF filter fitted. I recently went to my local dealer as a warning light came on my dash. I left the car with them all day, and on my return they told me that as I had...

I need to replace my Peugeot 306 with another car for short trips and occasional longer journeys - petrol or diesel?

I have owned diesel Peugeots (309/306) for around 25 years and found them brilliant, doing 18-20,000 miles a year. Having now retired, my mileage is down to about 6000 a year, most of which are 20-30 mile...

Will my friend's new Volvo S40 diesel be susceptible to DPF faults?

A friend is buying a new Volvo S40 Drive diesel. Is this model susceptible to the problems with particulate filters that seem to feature so strongly in your Telegraph column and, if so, what advice should...

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...