Ask Honest John

Most recently answered dpf questions
I have a three-year-old BMW 320D with automatic transmission. Recently I have noted that occasionally the car rocks from side to side, as if being subjected to a strong side wind, when being held stationary...
We tried out the Fiat 500 1.2 Lounge petrol but found it to be very sluggish, especially as we live in Devon with loads of hills. You mentioned that there could be problems with diesel models on short...
I've been looking at the Volkswagen Golf TDi 105PS Bluemotion, but was told today by a fellow Volkswagen fan that I need to beware of their tendency to clog up the diesel particulate filter every 6-800...
I bought a new Nissan Note 1.5 diesel in March. Soon afterwards, I moved house with work and now it only has a three-mile trip each day. At weekends I ensure it gets a round trip of at least 40 miles in...
Six weeks ago I purchased an August 2008 BMW 520d Touring from a BMW main agent. It was supplied having being maintained from new by the same BMW dealer. When I bought the car, I noticed that the sump...
I currently run a 52-plate Volvo S60 2.0L petrol with 110,000 miles on the clock and with its MOT due. It's been a good runner and I picked it up five years ago. Now I'm getting itchy feet and contemplating...
I am disabled, 69 years young, six feet tall. I am having increasing difficulty getting up from a standard saloon car driver's seat, even at the highest setting. I need to get my bottom higher than my...
I own a 2005 S-Type Jaguar diesel Sport auto with 84,000 miles on the clock. It is in good condition with full Jaguar service history and one previous owner. It runs perfectly and is a pleasure to drive,...
You spoke of burning out diesel particulate filters by running the engine at high(ish) revs for a period. What sort of time would you recommend at say 3500 revs? Does my 2003 Audi A6 1.9Tdi 130bhp have...
A short time ago I asked you about the relative merits of two cars my wife was considering as her next Motability car. These were the Skoda Roomster SE 1.2 TSI DSG and the KIA Soul 2 1.6 CRDI automatic....