Most recently answered premium fuels questions
My Avensis has done 82,000 trouble-free miles on supermarket petrol. If I now start using Shell high octane fuel, will I get a sudden release of carbon deposits and would this damage the engine? I have...
I know you are an advocate of premium petrol so I have been using Shell V-power. Are there any others which are just as good?
I see there are various types of additives that claim to keep turbos clean. I would like to know if they work? What can an owner do to keep the turbo oil feed and return pipes clean?
I have just bought a 1990 Mini Moke, but the dealer is not sure if the cylinder head has the hardened valve seats to use unleaded petrol. Do you think it would be okay to use unleaded? Also, should I use...
Is the diesel fuel that I can buy in a supermarket filling station really any different that the diesel that I can buy from a Shell or BP garage?
What is the best premium fuel brand for petrol and diesel?
I have a 1992 generation 5 Celica Convertible imported from Japan many years ago. I notice that when driving up an incline it seems to 'pink'. I have not heard this before from an injected engine. Which...
I have a year old SEAT Ibiza coming up for its first service, with 6500 miles completed. The SEAT garage have asked if I would like an engine flush as it 'improves mpg etc'. I am of the opinion that one...
I've recently bought a Toyota Auris with the 1.2 turbo petrol engine (and am very pleased with it so far). I intend to keep it for a good long time; at least 10 years, ideally. I understand that direct...
I have an Hyundai Ioniq, which I've run exclusively on Shell fuels for the 5000 miles that I've had it. I was getting 60-62 mpg on the regular stuff, then put a tank of the V-Power in and got 64 mpg. I...
Elsewhere on 
.jpg)
