Ask Honest John

Most recently answered dpf questions
I am looking to buy a new Nissan Qashqai and I wondered if it's better to buy a diesel or petrol version. My average mileage is 13,000 per year.
I have a Kuga 2.0 Titanium diesel and it’d brand new. However my pride and joy has been in the garage for the last month because of engine malfunction. The AA believe it is particulate fuel filter issues,...
The engine auto light is on in my Peugeot 307. The display shows 'Anti-Pollution Fault'. Can you help?
I would like to get a used Jaguar X-Type estate. I have £8000 and wondered which would be the best for my money. It would be used as a family car and would do less than 10,000 miles a year, mostly urban....
I am looking for advice on buying a cheap (fully depreciated) but reliable workhorse for very occasional trips to garden centres and still capable of (very infrequently) ferrying four people in comfort....
In last Saturday's paper, you advised someone who does 10,000 miles a year that 'You don't do enough miles for a diesel.' I'd appreciate your opinion as to what mileage would suggest the need for a diesel,...
I bought an 11-month-old ex-Volvo management C70 with 4400 miles on the clock from a Volvo dealer in February 2010. Included in the deal was the first annual service. On 2nd June at 7700 miles, the car...
My wife and I have identical Ford Focus 1.8 Zetec diesels, one four and one two years old, and we often swap. The tyres are the same make and same pressure, and both are fully serviced. After extensive...
I 'm thinking of downsizing from my Toyota RAV4 (01/2004) diesel and quite like the Toyota Urban Cruiser. I do about 6000 miles pa and you say the diesel is the better model, so if I give it a 25 mile...
My son has just graduated and is starting his first job, which will involve driving approximately 15,000 miles pa. He is to be given a car allowance of £400p/m and 0.17p per business mile. I'd like to...