Why do we accept speedometers that over-read by up to 10 per cent?

You may recall my email of May 2010 when you advised me I could not reject a new vehicle for what I thought was a speedometer that over reads by 10 per cent. I have now received confirmation from the MD...

Intermitted speedo failure

Recently the speedo has been dropping to zero for a while. Occasionally it jerks and then restarts again later. The vehicle as been owned from new but is now a second car mostly in good working order,...

Relight my dashboard

I have a problem with my car speedometer light. It's not working. All interior lights are fine, all dashboard lights are showing all symbols, only the sppedometer numbers don't light up and I cant see...

Citroen Xsara Picasso speedo

Our car is Citroen Xsara Picasso 2003 model. The speedo has stopped working and we wondered if it could be a fuse. The battery has been disconnected and that did not work. Can you help with the fuse number...

The global position

I have just started using Sat nav for the first time and have noticed that the speed reading on the Sat nav is usually 4mph less than on my speedometer. When driving at the speed limit which should I rely...

If I disconnect my Ford Fiesta's speedometer will the recorded mileage be lost?

If I disconnect the speedo on my 54-reg Ford Fiesta Zetec 1.4, will I lose the mileage? The dash has lost everything apart from the clock, indicators and oil light.

Why is my Volkswagen Polo registering erroneous oil pressure warnings?

I'm getting erroneous low oil pressure warnings in my P-reg Volkswagen Polo and the rev counter and speedo are not working. Also a beep is sounding occasionally. Oil contents ok, all lights seem to be...

Why is my Renault Clio's speedo erratic?

Everything in my 2001 Renault Clio's dashboard works properly apart from my speedometer. Once it gets to 40mph, the speedo hand becomes shaky and it goes down. When I slow down to 20mph it goes up again,...

What's happened to my Citroen C2's digital speedometer and odometer?

I have a Citroen C2 1.4 diesel (2006) which has done 32,000 miles. The digital speedo has stopped working, the odometer isn't recording miles and the info display is telling me a variety of things all...

Would wider tyres help my car to stop more rapidly?

My car came with 185 tires. If I exchange them for wider tires such as 205s, will I be able to achieve shorter stopping distances? What about road holding? Will I sacrifice fuel consumption?