Ask Honest John

Most recently answered dpf questions
I'm about to spend some money my grandparents left me, but I'm worried that I might waste it. I need a secondhand car for my family and I've always wanted a Jaguar. I've found a 2014 Jaguar XF D V6 with...
The DPF on my 2010 Ford Mondeo TDCi burnt out, glowed red, smoked and then the exhaust dropped after 109,000 miles. No warning lights came up on dash. Can I just replace the DPF or do I need to sort out...
I'm having problems with my DPF light coming on after the emissions fix. Is this a typical occurrence with the SEAT Toledo 1.6 TDi? What do they do to the vehicle when it undergoes the update and do you...
I'm looking for a cheap to run car which will be reliable, but over the magic 100,000 mark, as I do plenty of miles and don't want to crucify value. Ideally for about £2500. I do enough miles (12,000 plus)...
I own a 2009 Skoda Superb. It runs very well, done 110,000 miles and I plan to keep it. Skoda have invited me to bring it in for emission software change, assuring that there will be no change in fuel...
I'd like to buy a diesel BMW X3 2.0 but most of my journeys are short. What would be the negative effects on the car from my driving pattern? Are there any small changes to my driving, like doing a 50-mile...
I do a 40 mile round trip every day with a mix of roads, including 70mph dual carriageway and a stretch of motorway for about 10 miles each way. Would a hybrid be suited to this driving? If no, I'm going...
I have a 2010 Volkswagen Golf Plus 1.6 turbodiesel which had its emissions 'fix' done at 43,000 miles. Is it better to get rid of it or should I just wait and see if the DPF lasts for a couple more years?
You say the underlying maintenance cost is the reason for the collapsing of diesel car prices. I'm concerned because I own a 63 reg Ford Mondeo Estate 2.0d, with 40,000 miles that I plan to keep for another...
Are second-hand diesel prices likely to collapse over the next two years?