Ask Honest John

Most recently answered diesel particulate filter questions
My engine managment light as come on in my car and it says on my dash "antipollution fault." It's a Peugeot 307.
I like the X-Type but hate DPFs. Do any early X-Types come without them? I don't expect any estates are free from them.
A Mercedes salesman has told me that a Mercedes diesel is OK for short distance driving - but reports in the press say that a diesel engine is not good for short distances. Any advice please?
I have a 3.0-litre diesel BMW X3 that does 12-15k miles p.a. on a reasonable mix of long and short runs. After 5yrs/65k miles BMW are telling me the DPF needs replacing. The car suffers from an intermittent...
I am looking to buy a medium sized diesel without DPF. After reading too many internet forums I am now unable to decide what to plump for given that there seems to be so many diesels that have expensive...
I have a 3 year old Mondeo 2.0 TDCI with 65,000 miles on the clock. I do around 18,000 miles per year and have a 40 mile round trip for work each day. It runs as new and has had no problems while I've...
I currently have a Dec 2005 Skoda Superb 2.5 V6 TDI which is our only car as we have a 1500kg caravan. I understand the problems with DPFs but most of our journeys are local < 10 miles but we still need...
I am thinking of buying a Mazda CX5 Sport diesel ex demo but have read that in Australia there have been problems with DPFs & oil levels over the X mark? Do you know of any problems regarding this? Not...
I have just acquired a Citroen C8 and a warning came up on the panel that the diesel additive needed attention, and to get a local dealer to look at it.
I am interested in buying a new-ish Vauxhall Corsa around 2006-early 2008. When did DPFs get introduced on these cars?