[s-cars] INOP Tach and Low Oil Press. Indication

Jim Green jim.green at gmail.com
Mon Dec 12 15:18:59 EST 2005

On 12/10/05, AUDIJIM at aol.com <AUDIJIM at aol.com> wrote:
> I still have an INOP tack in my 93' S4. As suggested, I took a look into
> Scott's SJM site and he didn't have anything in there for my problem. I
> removed
> the IC and took it apart and used a magnifying glass to hunt for poor
> solder
> joints. None found. I replaced the tach and assembled the IC and finally
> reinstalled the IC into the dash. Still inop. When I got gas today, the
> car was nice
> and warm after driving my wife to work and the tach bounced a couple times
> before I turned it off at the gas station, like it was trying to work.
> I have the oil low pressure light (a red oil can with a drop falling off
> the
> tip) on now at the center of the dash that says "OK" when you start up the
> car. The gauge at the far right of the cluster (oil pressure) indicates
> that oil
> pressure is OK, as is the gauge next to it, oil temp. Is my instrument
> cluster
> going crazy? It seems that cold has playing havoc on this car.
> If the autocheck is not recieving an rpm signal it will turn on the oil
light.  Fix the tach and I bet you'll fix the oil light.

Jim Green
'89 90tq
'89 80q

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