Ask Honest John

Most recently answered fuel prices questions
With the ever-increasing price of fuel I am more than ever aware that Honda sold me a new Jazz without a locking petrol cap.
I am considering spending a fair bit more than I usually would on a nearly new car with the intention of keeping it for maybe 7 - 10 years. What concerns me is the possibility that within that time scale...
Surely it is possible in these days of Big Brother to tax vehicles, not on engine size, but on their individual mileages done per annum? We are pensioners requiring separate transportation, living in a...
I purchased a new Focus 1.8 petrol in April 2009. There is an intermittent fault sometimes on starting and sometimes when pulling away from rest. The engine drops to a slow tickover, about 750rpm. and...
Over the last few years I have noticed your comments on the intractability of Mercedes dealerships and poor customer service levels. I committed an error by putting petrol into my new diesel Mercedes....
Does wrong fuelling, in this case putting petrol in a diesel, result in permanent damage to the engine if it is driven until it breaks down? The car is a Toyota Previa 2005 diesel.
I thought I would try Shell V-Power diesel. At a Shell Garage I saw a logo in red with a V-Power sign on it and filled up from the pump showing the red V sign. This was the only one on the forecourt....
I recently had to stop at a motorway service station for petrol and found they only sold Total, a brand I was not familiar with. I use ordinary unleaded so looked for this. The unleaded pumps were marked...
I have recently returned from a holiday in France and found that many filling stations (especially Shell and Elf) are now selling Sans Plomb 95 - E10 fuel in place of the normal Sans Plomb 95. I believe...
I filled up with 42 litres of Shell V-Power last Wednesday afternoon. The car initially continued to run well but by Thursday evening, after about 45 miles, it was running badly. On Friday I took it in...
 

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