Odd Coolant Light, 91 200

[cobram at juno.com]

hAudi:

Hopefully it's just a bad switch at the reservoir or the multifunction
switch.  There have been several threads on this, a search of the
archives will probably get you some very specific posts on the procedures
for checking the various sensors.  I had the same problem, and even made
a quick and dirty web page with my experience: 
http://www.geocities.com/cobramsri/Autochek/AutoCheck.html ,  since then
I have aquired a complete cluster from a fellow lister, but just haven't
had the time to replace the NA cluster....besides it's the wife's car, as
long as nothing is flashing or beeping she's more than happy with it!

The worse components to check was the wiring harness, the wires are
tight, and the wiring diagrams in the Bentley leave much to be desired
(expecially when they're WRONG as to wire color.)  

Hopefully your problem is a simple one, like the multifunction switch or
the reservoir sensor.........

BCNU,
Cobram at Juno.Com
http://www.geocities.com/cobramsri/index.html

"Ryan Gemmill" <Gemmill3 at flashmail.com> writes:
> Quats,
> 
>     Last night on my way home from work the 200's Autocheck gave me 
> a low coolant/engine overheating light. Or at least that's what the 
> owner's manual calls it. Anyway, engine temp. guage reported normal
temperatures 
> and the coolant resevoir checked barely low and was topped off. This
did not 
> shut off the autocheck light. I'm guessing I've got a fried resevoir 
> sensor, but does anybody have any other thoughts? I'd appreciate it
before I 
> waste money on something that's fine.(Oh, if it isn't clear enough the
car in 
> question is a 1991 200 turbo automatic FWD)

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