5ktq speedometer error

[Tony Hoffman]

Most speedometers are calibrated over true speed. This is more to help
you to aviod tickets than anything else, from what I understand. My V8
is 3mph over at 70, and the 4000 was 2-3 at 65. The odometer is
correct, I think you'll find. Drive a known distance and compare. The
odo doesn't drive off the speedo. They both recieve input from the
cable or sender, then split off to their respective jobs.

Tony Hoffman



On 4/29/07, Ameer Antar <antar at comcast.net> wrote:
> I know this is a really old topic, but I just noticed that even though the
> speedo is 4-5mph over true speed, the trip computer does register pretty close
> to the correct speed. I cleared the average speed on the computer, and it
> showed 76mph while the speedo showed about 80. So it looks like the offset is
> in the speedo only. I wonder how that affects the odometer mileage since it's
> part of the speedo. Does anyone know of a VDO gauge specialist? I wonder if it
> can be re-calibrated...
>
> -Ameer
>
> -------------------- Original Message --------------------
>
> > Message: 5
> > Date: Thu, 25 Jan 2007 17:04:51 -0500 (EST)
> > From: Kurt Deschler [desch at alum.wpi.edu]
> > Subject: 5ktq speedometer error
> > To: quattro at audifans.com
> > Message-ID: [Pine.LNX.4.63.0701251701130.24874 at cs.wpi.edu]
> > Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
> >
> >
> > The speedo on my 5ktq is around 6mph on the high side. In addition, it
> > pulses at low RPMs. My suspicion is a bad capacitor somewhere, but I
> > really know how these speedos work. Anyone seen this before or have a fix?
> >
> >     -Kurt
> >     87 5kcstq
> >     89 200tq
> >     00 s4
> >     95 s6
> >
> >
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