Supermarket diesel?

I own a Toyota Corolla Verso 2.2 D4D. The Toyota dealer recommended that I not run the car on diesel purchased from supermarkets (do you agree with him?). Also, that I use an injector cleaner once very...

Cleaning up

I took my Mazda 6 (2.0 litre petrol) in for its annual service to the local dealer recently and was advised to include a new petrol additive called TuneUp at a cost of about £15 (when VAT is included)....

DPF additives

I have a Skoda Yeti 2.0 Diesel with DSG. 5,000 miles a year, 40% of my journeys less than 5miles. Would a fuel additive reduce the chance of clogging and, if so, how often should I use it?

Diesel additives

Today's diesel fuel is low sulphur - an EU requirement for polution control - but sulphur helps lubricate the fuel system. I have been told that by adding 2 stroke oil (1 to 200) to each tank of fuel this...

Missing additive tank

My Peugeot 406 coupe is missing its fuel additive tank. What will it do to the car and its performance?

Fuel additives

My daughter has used Lucas upper cylinder lubricant as a fuel additive with her Honda Civic 2.2 cdi and experienced much better mpg figures. Would this be OK to use with my Audi A6 3.0 se TDI quattro automatic...

Is it safe to drive my Hyundai Getz to the dealer with the 'Malfunction' light on?

I have a 3-year-old Hyundai Getz 1.1 petrol. The 'Malfunction' light is occasionally coming on and when I accelerate the power is "lumpy". The handbook indicates it could be a faulty component with the...

My Ford Focus' turbo wastegate is sticking open. Is there anything I can do other than replace it?

I am given to believe that the actuating rod on the turbo of our Ford Focus 1800 turbodiesel is sticking with the wastegate held open, causing the engine to run with greatly reduced power. I understand...

What can I do to repair my Ford Escort GTI which keeps losing power?

My 1997 Escort GTI keeps losing power. When I start it up it idles fine, but when I press the accelerator it chugs and splutters when it is cold. Took it on a run yesterday and intermittantly it loses...

Could supermarket fuel have burned my valves out?

I have had problems with misfiring, loss of power, and red engine management lights coming on on two cars which where filled with unleaded petrol at a supermarket. One of the vehicles has needed to have...