Coolant warning wrong??

[Kneale Brownson]

There are reports in the archives of the tank sensors failing, but there
are a lot more about the MTFS failing.   Try disconnecting the MFTS and
checking the condition of the wiring.  It's frequently wet inside the boot.
 How's the boost?  Do you get your normal boost performance or has it been
slipping some lately?  

At 01:46 PM 9/13/2004 -0600, Mark Novak wrote:
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>My 1991 200 has recently begun showing the coolant warning symbol on the
>dashboard after only 15 seconds of starting the engine.  It persists the
>entire time the car is running.  The coolant level is at maximum and the
>temperature gauge on the dash is showing 1/4 to less than 1/2.  I am
>assuming the problem is the multi-temperature function switch (MTFS) going
>bad, but any other ideas on why the warning?????????