Ask Honest John

Most recently answered petrol questions
We are considering a 4WD (or AWD) which will mostly be used in town - approx 6-10 mile journeys with no more than 6,000 miles per year. Which models should we consider and is petrol or diesel the better...
I can smell petrol inside my car when driving. Not overfilled the car and not spilt fuel. Can smell it when I get in the car in the morning and very strong when driving - not all the time but every few...
I have always used Shell Unleaded but now both our local Shell stations have changed hands, one to Apple the other to Jet. Other brands available locally are Murco, Total and (inconveniently) Esso. Asda...
I work as a building control surveyor, and currenly drive a SEAT Leon. I am thinking of changing car. I need a car that can cope with a continuous start stop regime perhaps only doing 200 miles a week,...
Wanted a used small to medium, petrol engined car with a sun roof. Well made and reliable. Any suggestions?
With reference to DS Wellesbourne wondering why it took five days for misfuelling a diesel to manifest itself, it would be because of the petrol being much lighter (typical density 07300) than the diesel...
I will driving in France in the near future. I currently use Shell V Power petrol. Please would you advise what the equivalent grade is called in France, and do most fuel stations stock it? Do the...
As a regular reader of your column, I note that you frequently recommend Shell V power as the best petrol for it's performance enhancing & engine cleaning qualities. I have a Nissan Note Acenta 1.6 automatic...
You recommended Shell V-Power. I have no Shell garages near me only BP, Total & Esso. Do they do an equivalent high grade petrol?
I've seen your reviews of the diesel engines in Saab 9-3s, which you refer to as "one of the worst diesel engine installations of recent years", but should I be similarly wary of the petrol engined versions?...