over temp warning on check display ('90 80Q) always illuminated

Ray Rollins rollins_ray at hotmail.com
Thu Mar 14 14:05:11 EST 2002


Jim,
It's the Multi-Function "malfunction" sensor. The newer 3 prong sensors fail 
by giving a false overheat signals. I got a replacement on Ebay from 
zzmotors.com for $35. It is as easy as changing a lightbulb to replace.

Ray

>From: Jim Vienneau To: quattro at audifans.com Subject: over temp warning on 
>check display ('90 80Q) always illuminated Date: Thu, 14 Mar 2002 11:57:44 
>-0500
>
>The over temp warning illuminates (with a chime) on my 1990 80Q immediately 
>after starting it each time. I thought this was tied to the sensor in the 
>overflow but I disconnected it and it still does it. I even tried shorting 
>the sensor pins thinking it might be NC, but it didn't matter. Anyone been 
>here before?
>
>Thanks, Jim
>

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