Strange speedo behaviour.

[wozzza]

Curious if anyone has had this before. Seems to have sorted itself after turning the ignition off and on and changing from MPH / KMH.

Anyway speed worked as normal until around 10mph. Then while increasing speed the digital was fine. Needle span round very quickly. Hits the end of the dial and then returned to normal. By around 20-25mph. Basically went all the way from 10-200 between 10-20mph.

Just wondering if anyone has a cause for this? An if it's the beginning of a potential problem.

[JoyCV8]

Mine's done this a few times in 3 years of ownership, always clears after restarting, just another quirky feature of these cars imho.

[jameshsv]

Try turning the ign on and off a few time without starting the engine.

[bbg1400]

Mine did that on one of the colder mornings. It has done that before on cold mornings if I just put the key in and turned without giving the clocks a chance to reboot properly first.

[Codswallop]

As others have said, it's perfectly normally for a Monaro. Mine does it very occasionally, but only during the winter months.

[BUCKLE vxgts]

I would say its battery related. I wouldn't worry unless it occurs frequently.

[granjuiceymoose]

My first Monaro used to do this every now and again but as stated after turning it on and off again sorted itself out. Not experienced it in the new one yet.

[MarvinTPA]

Mine too, Seems to only occur occasionally on cold or damp mornings after the car has been standing for a while. I'm glad it's not just mine then.

[notransistors]

Our GTOs have a similar glitch that affects all the gauges. This is how I nearly ruined the engine by thinking that the temp gauge and the low-coolant light were 'crying wolf' [do you use the same expression?], when in fact the coolant had run dry from a broken chinese hose clamp.

[ashman4]

As with the others, mine has done this a couple of times a year for the last 8 years! Nothing to worry about.
If you need a speedo reading whilst it is doing it, as you are driving maybe, then use the digital one, as that is not affected.
With mine, each time I turn the key off & on, the needle goes down 40 mph or so, and when it gets back to zero, all is fine.
Until next time!

[KMud]

I've had this once in 3-4 years ownership I think.

[wozzza]

It's fine now. I just wanted to check, more for peace of mind. Had not seen it mentioned on the forums.

Just had visions of needing a whole new cluster and expecting them to be rather expensive. As it is my daily, it has been getting used in the snow an everything else. So as son of you say, cold etc could be the reason.

I always keep the digital one anyway. Was just the needle dancing about was a bit worrying and my MOT is due next month. So was a case of just wanting to make sure.

Cheers guys.

[stigmundfreud]

its a result of a poor solder. I had mine doing this from new and VX wouldn't do a thing with it despite me filming it and corroborating the date by including the BBC radio 4 news report and a shot of the days news paper. It would only do it sporadically and yet despite most forum members at the time reporting it, VX would do nothing to resolve the problem.