Coolant warning wrong??

Phil Rose pjrose at
Mon Sep 13 17:37:08 EDT 2004

At 1:46 PM -0600 9/13/04, Mark Novak wrote:
>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?????????

No other ideas needed. As verification of the MFTS problem you also 
should be seeing a loss of maximum boost (say, about 1.4 bar max) and 
your A/C probably doesn't work now (assuming it did work earlier).


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Phil Rose
Rochester, NY
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