What's the most effective way to clear a DPF?

Motoring magazines often refer to taking the car for a fast run to clear the DPF. Surely a better way would be to drive in 4th or 5th gear with increased revs but slower speed since it is the increase...

How do I maintain my DPF?

I've read in several places every 300 to 400 miles I should clean my DPF's. I understand I should drive at 2000 revs for 20 minutes. What happens if I have to slow down for road works etc and it's not...

How do I get my DPF to regenerate?

I own a 2017 BMW 640d Coupe. It easily reaches 70 mph at 1500rpm in auto mode. I think you advise drivers to maintain 2000rpm for 15 miles or so on a dual carriageway or motorway. Should I do this in manual...

How do I carry out a DPF regeneration on an automatic?

I have an 8-speed automatic Ford Transit Connect. A NOX sensor recently failed and resulted in diesel finding its way into the oil because a regeneration was being called for but not triggered. I contacted...

How can I fix the DPF fault on my Citroen C3 Picasso?

My Citroen C3 Picasso has completed 47,000 miles without anything major going wrong. But now I have a dashboard warning light saying "SERVICE" and a message which says "Engine Fault, Repair Needed". Just...

Mechanic says the oil level is high due to diesel in the oil sump from stopping DPF cycle. Is this possible?

I've just had my Hyundai Tuscan serviced and, after 3000 miles checked, the oil level - which was about 2cm above the max line. I took it back to the garage and they said it was because the DPF had been...

Had the emissions update and now the DPF is clogged. Can I get Volkswagen to fix it?

I have a 2013 Volkswagen Beetle diesel. It went in for the emissions update but 12 months later, the DPF light came on. The car does very few miles per year. I took it to a local garage who told me this...

How do I know if my car is in a DPF regeneration cycle?

How do I know if my car is in a DPF regeneration cycle? It would appear that the engine should not be switched of while this process is taking place but I have never seen any warnings on the dash board...

How do I know if the DPF in my car is regenerating?

I have a diesel Nissan X-Trail and I try to limit the number of short journeys. When I have to use it I tend to drive in the 2000rpm plus bracket. I have done 12,700 miles this way yet I have never noticed...

How long does a DPF regeneration take?

I have a 2012 Mondeo 1.6 TDCi. I was in a traffic jam and the stop start was not working - the disable light was on and it would not turn off. I assumed it might be regenerating. Is it a mileage or when...