Re: Narcoleptic coolant temp gauge

[Nathan Belo <belo@eskimo.com>]

On Fri, 21 Nov 1997, Steve Valin wrote:

> Andrew Duane USG/PE <duane@zk3.dec.com> replies:
> 
> << The infamous multi-function sensor. BTDT, twice, once on each car.
> It's on the upper coolant hose inlet to the head, has 3 or 4 pins.
> Pull the boot to check the contact first, sometimes it's just loose
> or corroded. If not, replace it. About $50, 2 minutes work. >>
> 
> Is this the same sensor that the A/C computer uses?  I've got a case
> where the A/C will intermittently see that the engine overtemp sensor
> goes off, and I know the engine isn't that hot.  This appears to be an
> on/off sensor, not a transducer.  If this is not the multi-sensor, then
> does anyone know where it is?
> 
> Thanks!
> 
> -steve
> 
I have the exact same problem plus my a/c doesn't shut off.  Temp gauge
doesn't always work.  It lights up but the needle falls below the red line
as if there is no power.

Nathan Belo
'88 90Q 166K miles