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Speedometer Calibration
Latest Speedometer Calibration Questions
- 2004 chev silverodo speedometer works this time but dont the next nothing broken,so whats up with it.
... Read Answer
Asked by hjack on Thu, 08/26/2010 - 21:05 - Speedometer on 1989 Buick Lasabra stop working, what is the most likely problem?
... Read Answer
Asked by Billie Simpson on Wed, 08/18/2010 - 20:20 - I have 96 lincoln town car.That the speedometer reads 1 to 12 mile an hour when in park with just the engine runing.
... Read Answer
Asked by EddieA on Mon, 08/16/2010 - 09:57 - My speedometer hand is very erratic and I think that it is unreliable. My odometer works fine. It is 98 Nissan Frontier Pickup 4 cyl.manual transmission. Do you think it is a cable or a speed sensor?
... Read Answer
Asked by fingerkid1951 on Fri, 08/13/2010 - 13:38 - Have a 1999 ford escort zx2 got battery cables replaced, speedometer,lighter,odometer no longer working? checked fuses in car guy at work said to check the ones under the hood? have no idea where exactly that is?
... Read Answer
Asked by jennifer baxter on Sun, 07/11/2010 - 17:29
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Online Auto Repair Manuals - Speedometer Calibration
ALLData: Do It Yourself Auto Repair Manuals
Information
What is a speedometer?
The speedometer is installed on the instrument panel of a vehicle and measures the speed in miles or kilometers per hour. While the speedometers of some older vehicles are mechanically driven, eddy current devices and electronic speedometers are the most common. Neither technique uses tire rotation to indicate speed. Rather, the speed indications are scaled to the rotation of the transmission, which may be subject to some error, and, from time to time, calibration may be necessary.
Is my speedometer accurate?
If not calibrated to an acceptable degree of accuracy, a driver may exceed or go below posted speed limits. Excessive error can be caused by putting on after market modifications, including tires with nonstandard diameters, using different differential gearing, or other specification modifications.
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