Ask Honest John

Most recently answered dpf questions
As a regular reader of your column in ‘Motoring’ in the Telegraph I am concerned about your comments, on a regular basis, about ownership of diesel-powered vehicles. I own a 2009 Mark 6 VW Golf with the...
I'm considering buying a secondhand older model Ford Focus Diesel, up to say 18 months old. Two friends have cautioned me about the diesel engine and/or the turbo, some parts which cost a lot to replace...
One of the cars you have suggested is the Qashqai 1.6DCI, which I understand has a good diesel engine. However, as I stated in my query, I only do 12,000 miles a year and I have read (only yesterday in...
11 months ago I bought a new Volkswagen Golf Bluemotion diesel, which I am delighted with. However I am so worried about your comments about the risk of expensive failure of low emission diesels that I...
I have an 2005 2.2 DCI Nissan X-Trail, 50,000 miles. Does it have the potentially ruinous components of a diesel particulate filter and a dual mass flywheel? Having read your column I am thinking of selling...
I'm interested in purchasing either a brand-new 1.6 petrol Ecoboost Grand C-Max or a nearly new 1.6 diesel Grand C-Max. Both are the same price at £16,500. I can't decide which one to go for. I know that...
Your warnings on the failure costs of turbos, DMFs and DPFs mean that the very features that reduce fuel usage and emissions raise the risks of high repair costs. I note the Fiesta Econetic does not have...
I am soon to take delivery of a Ford Kuga 2.0 TDCi 163 Titanium. Should I be concerned about the 'dual mass flywheel', DPF, and belt cam? I am not too worried about the DPF due to the type of trips it...
I read that the new KIA Rio 1.1 CRDi ecodynamics (85 g/km CO2) does not have a DPF, despite achieving Euro 5 emissions. If that is true then it can only prove more popular for short journey motorists who...
I've lost the use of a company car, have never bought a used car before and I was thinking of spending £1000 - £2000 on a car to get me 10 miles each way to work and other very short trips. My biggest...