The injector in my Mazda 3 has failed - is this due to using supermarket fuel?

Whilst driving along, my 2012 Mazda 3 1.6d (39,000 miles) suddenly juddered and went into limp mode. I cautiously negotiated to the hard shoulder with the dashboard lit up with maintenance, ABS, and warning...

Will using Shell V Power improve the performance of our Honda Jazz?

We've decided to get a Honda Jazz SE Automatic for its space and versatility. We understand that it can be considered slow compared to other similar size vehicles. Would we would have any benefit by using...

What fuel should I use to keep my 10 year old Toyota Avensis running?

You mention that supermarket petrol can clog up engines and reduce MPG from the deposits in their additives. I understand that it's best to use branded super unleaded. Is it the case that branded normal...

Would my hybrid car benefit from premium fuel?

I have a new Toyota C-HR Hybrid in which I'll do about 8000 miles per year, mixed driving. I also have a 2016 Toyota Aygo semi auto in which I do about 4000 miles per year, mostly short journeys. Would...

Should I get a hybrid or a diesel car to commute?

I do a 40 mile round trip every day with a mix of roads, including 70mph dual carriageway and a stretch of motorway for about 10 miles each way. Would a hybrid be suited to this driving? If no, I'm going...

Should Volkswagen replace my my Golf's EGR for free?

I own a 2011 Volkswagen Golf Mk6 1.6 TDI, bought in in December 2015 from a local independent Volkswagen dealer. My mechanic noticed a water leak after I mentioned the coolant light coming on a couple...

Am I wasting my money using super unleaded fuel?

I have three cars - 2011 Mazda MX5 Roadster 2.0-litre, 2011 Mazda 2 TS2 1.35-litre and 2016 Skoda Yeti 1.2 TSI SEL. I am using Shell V-POWER U/L in all of these. Is this okay or am I wasting my money?

Do you recommend using a higher grade petrol like Shell V-Power?

Having read your columns for many years I notice how you advocate the regular use of higher grade petrol. I have a Skoda Octavia Scout 1.8 TSI and inside the fuel door there is a label that says use 95...

Does the DPF warning light in my pickup truck mean it's regenerating?

My daughter has bought a three year old Isuzu pickup truck with only 12,000 miles on the clock. The DPF light keeps coming on, the main dealer says that this is normal because it shows that the regeneration...

Should I get the 2.0 petrol or 2.5 diesel Jaguar F-Pace?

I'm undecided whether to buy a petrol Jaguar F-Pace 2.5 T R-Sport or a 2.0 diesel AWD180 auto (which we have tried and is adequate). The 2.5 petrol is £3130 list more than the 2.0d. The petrol has urban...