Speedo Problem

[Lewis's Friend]

Hi all

A question for you knowledgeable types...

My speedo is pretty bad. When used in conjunction with a GPS (which I realise isn't necessarily gospel), it is at least 10mph high at 60-70, although it does go back to zero fine when stationary.

Is there any adjustment in the system at all? My car is an S3 so has the electronic speedo I believe. The car is on standard OZ wheels with 205/60 profile tyres.

Any help would be good, as speed cameras are a constant source of nervousness at the moment...!

[Lewis's Friend]

Ah, now my mileometer could be rubbish as well, but I haven't realised yet! I have only had the car over about 500 miles so far, so still finding out different facets of its character...!

[Lewis's Friend]

Is the sender the sensor in the gearbox? If its not too much money, I might change it.

Worryingly, when I had the satnav up I found that it wasn't even consistently wrong. Very occasionally it seemed to read right which means that I'm normally the guy crawling through a 40mph speed camera at a safe 30...!

[Lewis's Friend]

I don't think I have any light related problems... When funds/time permits I may look at changing the sender I think and see what happens from there.

[Lewis's Friend]

Is a distinctly dodgy speedo not an mot fail then? I would have thought mine would at best scrape through with a lenient tester...