Misdiagnosed fault on A4 - can I take action against Audi?

My Audi A4 recently developed a fault that caused the ECU to switch to ‘limp home’ mode under various driving conditions. I took the car to an Audi dealer to have the fault diagnosed – at a cost of £90...

What's causing sluggish performance on my Citroen Picasso?

I’m having some problems with my 2004 Citroen Xsara Picasso. The engine management light comes on and the car goes into limp home mode. I’ve had a diagnostics test carried out and was informed that the...

What could be causing my BMW 3 Series diesel to smoke under acceleration?

I have a BMW 3 Series Touring diesel automatic bought from new in September 2006. I have had 50,000 miles of excellent trouble-free motoring and arrange regular servicing at the local BMW dealer. Recently...

What's causing my Rover 75 to overheat when towing?

My 2002 Rover 75 CDT has been a good car for me over the past eight years but is now suffering from an overheating problem when towing my caravan. It was fine when I towed to Norfolk in April, but I had...

Turbo failure on Ford Focus - Can you help?

Do you have all of the technical service bulletins relating to turbo failure on the 2004 Ford Focus? The turbo on my car has failed and I am putting together information for my local garage.

Is there any chance of a goodwill contribution from MINI over a failed Cooper S water pump?

My daughter has a 2006 MINI Cooper S which needs a new water pump. Sytner MINI Sheffield has quoted £590. I read water pumps have been a problem. Do you think there is any chance of a goodwill contribution...

Ford Galaxy suffering coolant problems

I have a 2006 Ford Galaxy, which has covered more than 100,000 miles. A few weeks ago we took the car abroad, but the water coolant suddenly emptied and forced us to return home. Before that we'd already...

Should I idle my Mercedes-Benz C180 after running to allow the turbo to cool?

I read about problems with turbos, in particular from not letting the engine tick over for a few minutes to cool down after hot running. These all seem to relate to diesel engines. I have a current Mercedes-Benz...

Are there any precautions I should follow with regards to turbochargers on stop-start engines?

As I am contemplating buying a car with Renault's TCe 90 engine I have read with interest your recent comments on overheating turbos and would appreciate your advice on some points. Does carbonising build...

Lack of torque in a Sorento

I have owned two Kia Sorentos for ten years, and have been very satisfied with them driving over 200k miles. At 60k miles in my second one, I experienced a definite loss of power in 3rd, 4th & 5th gears...