Ask Honest John

Most recently answered european law questions
My guess is that the price out of the factory for ESP modules is not much more than a few pounds. Presumably there is no real competition for replacement units because of trade restrictions and practice....
Mercedes-Benz seems to be actively promoting its Euro 6 compliant BluTec diesel engines in favour of the established Euro 5 CDi Blue Efficiency versions with, for example, its revised ML-Class announced...
I read with interest your comment about fuel economy and that no car will match the published figures. I bought a RAV4 (our third) in December 2011 from new. One of the reasons I purchased another RAV4...
Where can I buy a breathalyser approved for use in France?
I have just purchased a set of Vredestein Wintrac 4 Extreme tyres for use on a Kia Sportage. This was the first time I have come across the new EU tyre labels and I was not surprised to see that, for a...
Various companies are advertising diesel particulate filter removal services with associated re-programming of the ECU to stop the CEL lighting up. My understanding is it is only an EU requirement to have...
We have just returned from Portugal and, as usual hired a car from Faro to drive via the A22 to Lagos. Thanks to previous remarks from readers we were aware of the new tolls and the latest update is that...
I think that the French ban on GPS relates to systems that detect radar emissions, and that has always been illegal. I think there is nothing new, and ordinary GPS warnings of static radar speed checks...
I have been having problems with the DPF on a Renault Laguna diesel. I have had it regenerated twice and now someone has suggested having it taken out. I have looked on the internet and found numerous...
I agree with you that government economy figures for new cars are often deceiving, as they are here in the US. But surely anyone with a modicum of sense must realise that a fuel economy is relative to...