Re: Air Flow Potentiometer repositioned to fix idle problem

[Tony Lum <tlum@flash.net>]

At 07:33 PM 12/21/99 -0500, you wrote:
> > > I finally solved an intermittent idle problem that had be occurring for a
> > > couple of years.  It's feels great to finally rid myself of this bug.
> > > Thanks to the tips I received from an earlier posting, I finally got 
> to the
> > > bottom of it. The problem was the air flow potentiometer.
> >
> > Very interesting.  On most cars (including both of mine) this
> > potentiometer isn't connected to the ECU - it's connected to the
> > dashboard display and only drives the fuel consumption computer.
>
>On USA, n/a, CIS-E models it is only connected to the fuel system
>harness.
>
>--
>Huw Powell
>
>http://www.humanspeakers.com/audi/
>
>82 Audi Coupe; 84 4kq; 85 Coupe GT; 73 F250

Hi Huw,

For those who do have the trip computer option, the AFP does supply a 
signal to it.
The signal from the pot, along with an enrichment signal from the ecu and 
rpm pulses from the speedo are what the computer uses to calculate MPG, 
distance to empty, and AVG speed.



-Tony
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Tony Lum                                  1987 5000CS Turbo Quattro
Berkeley, California, U.S.A.                1985 4000CS Quattro
Audi Owner/Driver/Mechanic by Necessity ;^)   1980 5000S Sedan
QCUSA Member #6885                            1987.5 Coupe GT
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