Category Archives: Q & A

Q&A: Wrong speedo reading

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Question

I have a Toyota Tazz (Corolla) 2005 model and when I’m driving at 60km/h my speedometer is showing 120km/h. What could be the problem?…George

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Answer

Wayne, if your car is badged as a Tazz, then it is obviously a imported model from the Japanese market and it could have been damaged and repaired before being shipped here. Unless you have dramatically changed the size of your wheels (which is physically impossible because you would have to reduce them to at least a 10-inch wheel to double the reading), altered the final drive or gearbox ratios, then it is most likely something this dramatic would be a result of an issue at the speed sensor/sender or the speedo head unit itself. Have your local mechanic take a look for you or get an instrument repairer that should be able to fix the problem and make sure the speedo is calibrated correctly once the problem is rectified.

Henry Sapiecha

Q&A: Point to point speed cameras in Australia

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Question

Do point to point speed cameras check cars and motorbikes in Queensland?

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Answer

Yes they do, only in NSW are point to point speed cameras used to check heavy vehicles only. Point to point speed cameras use number plate recognition technology. The technology uses optical character recognition software to locate and read number plates from dedicated Infra Red cameras. The cameras are aimed at the numberplate region on the back of vehicles and are triggered by vehicles passing over a loop detector, similar to those used with the fixed speed and red light cameras. The cameras measure the amount of time it takes a vehicle to drive between two points and then calculates the average speed of the vehicle. If the vehicle’s average speed is higher than the speed limit for the length of road, the driver will be booked for speeding.

Henry Sapiecha