Ask Honest John

Most recently answered owning questions
I know you advocate to let diesel engines run for a few minutes at the end of a journey with turbos fitted. Will this also apply to petrol engines as there seem to be more of these about now?
I've just watched your Volkswagen Polo economy driving video. I recently bought a new Vauxhall Astra ST 1.4 150 T (i.e. same sort of small capacity turbo engine) which I run on Shell Nitro for low end...
I'm purchasing a 2012 Renault Megane that has done 81, 589 miles. Does the timing belt need changed?
We have a 2012 Ford S-Max 2.0 CDi Powershift with 45,000 miles on the clock. In last week's CAR section you suggested that the cam belt and associated parts should be replaced after 4 years. This has us...
How can I work out the difference in the value of my car before an accident and its value after it has been repaired?
We bought a second hand KIA from Fords of Windsor that was originally registered with Northern Ireland plates but was re-registered by the dealer with GB plates before we bought it. No problems for a couple...
The temperature gauge in my 2006 Toyota Avensis 2.2 keeps reading high. I got the car about a month ago and it has only happened twice. I took the car to a garage the day after it showed high the first...
I've just brought a 13 reg Ford Ka 1.2. Can you tell me if this particular model has stop/start?
My 2004 diesel Vauxhall Corsa doesn't start on the first key turn and barely on the second is there something wrong with the car or is it the cold?
The front windows on my 2010 Skoda Roomster stopped working. I've been quoted over £250 to repair, is this a fair price?