Can I get a remap to improve the fuel economy of my Kia Cee'd?

Based on your advice and all you've written, I bought a Kia C'eed estate auto 1.6 diesel (no DPF) with 37,000 miles on the clock from a Kia dealer this January for £5500. I drive approx 30,000 miles a...

Why is my car having issues since I used Redex petrol cleaner?

When I first start my 2001 Ford Mondeo in the morning it is great, however when the engine warms up I start having problems. It doesn't matter what gear I'm in, whilst trying to accelerate it jumps forward....

The emissions fix ruined my SEAT Leon - can Volkswagen reinstate the old engine remap?

I've had the emissions fix done on my SEAT Leon and now the car is a dog. Can Volkswagen reinstate the old engine remap and remove the flow obstructer from the inlet? The car is doing 15 per cent less...

Does the start/stop mechanism and premium fuel effect the regeneration process?

I stumbled across a couple of issues which seem to do the rounds on various forums, so I thought I'd ask here for a definite answer. One is that the Start-Stop mechanism, as implemented in the Audi A6...

Will using premium fuel and driving gently improve the life of the EGR, DPF and injectors?

The emissions fix was done on my 2010 Volkswagen Golf 1.6 TDI in January 2017 and it now drives very differently. The DSG gearbox changes up into seventh gear much earlier than before (at around 40mph)...

Is Momentum premium petrol different to Shell V-Power?

I've recently seen you advise using Shell V- Power because it improves performance and mpg. We don't have a Shell garage here, but we do have a Tesco station which sells their premium brand, Momentum,...

Is Shell V-Power fuel really worth the extra money?

I notice that Shell V-Power unleaded at 99 RON octane is now sold at a 9p per litre premium at my local garage, compared to standard Shell unleaded 95 RON octane. Tesco's momentum 99 RON is at 5p per litre...

Should I use premium unleaded fuel in my Ford Focus?

Should I use premium unleaded fuel in my Ford Focus 1.0-litre 125, as Ford recommend a minimum 95RON?

How important is it to use super unleaded fuel if recommended by a manufacturer?

I have just bought a 9 month old third generation Honda Jazz SE. The manual recommends the use of 95RON super unleaded petrol. Will I damage the engine if I use ordinary unleaded?

A6 Avant S-Tronic: Is it better with Shell V-Power Nitro+?

My previous car, a Grand C-Max 1.6 TDCI 11 reg, which I had since it was 11 months old, had no end of issues with the sensors in the EGR, dealt with under warranty (so without much explanation from the...