speedometer out of calibration - Kia Forum
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#1 (permalink) Old 07-11-2008, 11:25 PM
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Unhappy speedometer out of calibration

I just bought a new kia, when today for my first highway try run, found out that the speedometer is out of calibration.
Example: speed by my gps --- speedometer reading
113---- 120
103---- 110
94 ---- 100
84----- 90
74----- 80
36----- 40
The gps is accurate since it use the satellite. And it was dead on with my old Chevrolet Malibu.
The tire on the kia seem to be the right size, and the difference is too big to blame the tire.
Someone know if it could be out ouf calibration ? This is about 10% off
It will also get me on the warranty roling 90k and the speedometer will charge me for 100k.
Thanks all.

Last edited by genetron; 07-11-2008 at 11:27 PM.
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#2 (permalink) Old 07-12-2008, 01:15 AM
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The speedo calibration of the Rondo/Carens (is this what you drive? - there is nothing in your profile) has been discussed in several threads on the forum - have a look at: http://www.kia-forums.com/kia-carens...ghlight=speedo

Have you checked your odo against your GPS too? It seems that the odometer is more accurate than the speedo so warranty & service intervals should be okay.

120 (KPH or MPH?) on a first drive seems like a novel approach to breaking-in the car.

Richard
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#3 (permalink) Old 07-12-2008, 01:30 PM
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Quote:
Originally Posted by genetron View Post
I just bought a new kia, when today for my first highway try run, found out that the speedometer is out of calibration.
Example: speed by my gps --- speedometer reading
113---- 120
103---- 110
94 ---- 100
84----- 90
74----- 80
36----- 40
The gps is accurate since it use the satellite. And it was dead on with my old Chevrolet Malibu.
The tire on the kia seem to be the right size, and the difference is too big to blame the tire.
Someone know if it could be out ouf calibration ? This is about 10% off
It will also get me on the warranty roling 90k and the speedometer will charge me for 100k.
Thanks all.
Hi Genetron,
I'm assuming you are posting KPH not MPH. I have a Scanguage fitted to my car which I calibrated to the odometer. With the ODO readings matching, my speedo. readings are about the same as yours so I wouldn't be too concerned about warranty mileage being affected. I previously checked my ODO with the mile check markers and as Blow-in said already, It is right on.
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#4 (permalink) Old 07-12-2008, 01:42 PM
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Wink

Sorry about the confusion I cause, Yes it is in kph since I live in canada and it is also obvious. And I will find a way to check it on ground from point to point. One thing I know is driving at 100 kph everyone is pushing me.
Thanks all, and I will update my profile.
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#5 (permalink) Old 07-12-2008, 02:34 PM
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Quote:
Originally Posted by genetron View Post
I just bought a new kia, when today for my first highway try run, found out that the speedometer is out of calibration.
Example: speed by my gps --- speedometer reading
113---- 120
103---- 110
94 ---- 100
84----- 90
74----- 80
36----- 40
The gps is accurate since it use the satellite. And it was dead on with my old Chevrolet Malibu.
The tire on the kia seem to be the right size, and the difference is too big to blame the tire.
Someone know if it could be out ouf calibration ? This is about 10% off
It will also get me on the warranty roling 90k and the speedometer will charge me for 100k.
Thanks all.
Hi genetron,

The figures are well within 'acceptable' tolerances (for acceptable read +5 - +10 %).

All speedo's over read for two reasons:

1. Stops you getting booked for speeding
2. The rolling circumference of a tyre will vary over its life.

The speed of the vehicle is usually calculated by measuring the rotational speed of a drive shaft in revolutions per minute coupled with the rolling circumference of the road wheel.

If you do the math's, a new tyre will travel over half an inch further per revolution than a worn one due for renewal.

Ain't life complicated?


Last edited by Bunker; 07-12-2008 at 02:34 PM. Reason: typo
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