Ask Honest John

Most recently answered diesel engines questions
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?
I have just had my 2013 Volkswagen Touran recall part changed, it was an NOx engine control unit (23R7), and only 5 days later (I don't drive it much) two orange lights came on. Volkswagen say it needs...
We have had a 2004 Mercedes-Benz C220 CDi automatic diesel in Spain for the last 10 years. All was fine until a week after its annual MOT last May, when the Engine Management Light came on and remained...
Do you know where the coolant temperature sensor is on a 2009 Ford Kuga 2.0d? The radiator cooling fan is not coming on.
I'm looking to buy a BMW X5. What's the difference between an automatic gearbox and a sport automatic transmission? Also, if money wasn't a factor, would you go for the expensive electric plug in/petrol...
I currently drive a 2011 Renault Megane but, due to a promotion, now drive into central London daily. The running costs of the Megane and the low mpg make it unrealistic to keep, only 70 mile round trip...
The suggestion is that any VWG compensation will be paid per car to all the previous owners as well as the current owner of an affected vehicle. How will previous owners prove that they once owned an affected...
I am looking to replace my 2009 Citroen C5 VTR+ Tourer 140 HDI with one that is 2 or 3 years old. I travel 8000 miles a year, 30% in town and the balance on motorways. I recently started using Millers...
I'm looking at buying a Honda Civic i-DTEC 1.6 or a petrol Mazda 3 2.0 SE-L. Could you recommend a diesel engine or suggest whether petrol is the way to go based on future diesel city taxes. Probably looking...
I'm looking at buying a new car, and have traditionally always driven diesel cars. I'm a little worried, however, that Madrid, Paris, Mexico City and Athens have recently announced plans to ban diesel...