I filled my diesel Jaguar XF with petrol - do I need to have the whole fuel system changed for £7,000?

I filled my diesel Jaguar XF with unleaded fuel. I drove it 400 metres to my house with no problem. In the morning I had difficulty starting it. When it eventually fired it ran rough for approximately...

Why do so many of your readers fill their cars with the wrong fuel?

What is wrong with people who misfuel their cars? Do they not understand there are things you just do not do? I find it difficult to believe that such people actually are allowed on the roads. Please allay...

Can you suggest a device which prevents a driver putting petrol into a diesel vehicle?

Can you please supply details of the device that will prevent one from putting petrol into a diesel car? I know you have published these details before, but at the time I did not have the need for one...

Can I use unleaded with a bit of diesel in it in my Citroen?

I have put 55 litres of unleaded petrol with five litres of diesel in my car. I have had it drained into five-gallon drums. Would I be able to use this in a P-reg Citroen?

A garage misfuelled my Saab 9-3 Convertible - should I ask for an engine warranty?

I took my Saab 9-3 in for its first service which was completed late and left the car dirty. The garage agreed to collect the car and perform a valet as a gesture of goodwill. However, on returning the...

I put in two litres of petrol before realising and topping up with 40 litres of diesel. Do I need to drain the tank?

Watching a lady reverse a very large van between my car and the other petrol pump, I was distracted enough to pick up the petrol instead of diesel filler. I only put in two litres of petrol before realising...