Well isn't that just an indication that the coolant mix is more resistant to
electrical current??? Once the water gets hotter would resistance go up or
down? I forget... In any case, isn't the sensor just trying to get a reading
of the coolant mix upon start up - and maybe, per another listee, you should
try just turning the key without turning the engine, and leave it there
until the light stops blinking and then turn over the engine. This listee
said doing it this way, his light would stop blinking within 60 seconds, and
would not go on while he was driving. His light was acting a little funky
though, so maybe yours would go out much sooner - you'd have to time it and
see.

Robert you never confessed to using redline water wetter until now....

>From: Robert Lilley <Wolfvan88@AOL.COM>
>
>"John D. Stepto" <jstepto@CHESCO.COM>
>Subject:      Re: distilled water
>Content-Type: text/plain; charset="iso-8859-1"
>
><<The only thing about the distilled water to be aware of is that when you
>first start the engine in the Vanagon is that it takes until almost running
>temperature before the blinking light on the gauge to go out.  You could
>almost you that as a tall tale for when to replace the coolant.  Input?>>
>
>John,
>
>I have been using distilled water, bought at a local drug store, mixed with
>a
>Special German coolant Pentosion AF and Redline Water Wetter for over
>27,000
>miles.  When I start the engine, the light goes on and in less than 30
>second
>goes out.  I have pulled the sensor connector once in a while to make sure
>the sensor is working correctly.  I have not had a drop of coolant leak
>from
>my head gasket.
>
>
>Robert

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