Probably motoring's equivalent of Geoff Boycott! He hates factual inaccuracy and avoidance of the fundamental facts of anything. Cars are meant to fulfil a purpose of getting from A-to-B, hopefully enjoyably, comfortably, and elegantly, not to serve as mobile communications and entertainment centres!
I have been meaning to ask you, Doctor, about exhaust gas recirculation (EGR), and its associated problems. We’re always reading about EGR systems getting gummed up with short run driving, and use of inferior fuels and oils, but is this really surprising, if the EGR works the way that I understand it does? Surely if […]
This is a complex subject, but a basic understanding of it is useful to appreciate its importance, particularly in relation to car behaviour and tyre wear. There are two fundamental aspects to be appreciated – the positioning of the front wheels relative to the axis on which they rotate when the steering wheel is turned, […]
I would value your advice concerning replacement tyres for my “Mammoth Merc” GL 420 CDI please. Currently it is fitted with Pirelli Scorpion Zero 275/55 R19 111V M&S (MO) which is the standard Mercedes-Benz fitted and recommended tyre for this car. They are great tyres, with fantastic grip in the wet or dry, and not […]
Advice on tuning your car for extra performance or fuel economy, or even both, is one of the most hotly discussed topics at Diesel Car Towers thanks to a steady flow of reader enquiries and questions. Here we ask Doctor Diesel to answer all of the most important questions that are on the tip of our reader’s tongues, and many more that they wish they hadn’t.
Dear Doctor, I have always preferred to run my own cars, but I am soon likely to be forced to go down the company car route. I’ve been listening to some of the moans from other company car users though, many of whom complain that their supposedly sub 99g/km cars (equivalent to around 75mpg) are […]
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