Ask Honest John

Most recently answered cold weather questions
My 20,000 mile Grand C-Max 1.6TDCI, after several transient episodes, recently went into permanent 'limp home' mode. The dealer reported that the fault was due to a partially blocked fuel filter, and...
The night before last I drove, with a friend, to a meeting about 10 miles away in my recently-purchased Citroen 2008 C5 2.0 HDI 138 Automatic, 61,000 miles on the clock. Three hours later, when I switched...
As an expat Canadian, I am well used to the notion of winter tyres. I was listening to a programme on Radio 4 this morning on the subject and an "expert" from the tyre industry stated that ordinary tyres...
This year, for the first time I have fitted winter tyres to my Avensis. They are very impressive on snow, but also, as reported recently in Motoring Telegraph, significantly improve grip and stopping distances...
My 14-month-old Hyundai i40 'died' on my way to work on 17 January. There followed a long saga of recovery and the problem was finally diagnosed as frozen water content in the fuel, which turned the diesel...
Over the last few days of treacherous snow and icy conditions, I am amazed and frightened by the number of drivers leaving their homes with the snow and ice still covering their cars, particularly the...
I have a 2005 Xsara Picasso. In freezing temperatures, if I do not use the car every day, it will not start first thing in a morning. I have had a new battery fitted 2 weeks ago and the problem is still...
If your car is to be parked outdoors in freezing conditions, before switching off the engine put the wipers on and switch the engine off when the wipers are vertical. This makes it easier to clean the...
Over the last few weeks when the weather has been a lot colder, I have noticed a whining noise on start up. It appears to be coming from the front nearside of the engine bay. I think it's to do with power...
I have a 2007 BMW 3 Series. I have a problem with the driver's door. When the weather is cold, the door will open with the key fob but will not latch closed. I have to engage the central locking to keep...