Hi volks,

I have seen recent suggestions that a deviance from the 50:50 coolant:water
concentration is responsible for an intermittent blinking light.

My '89 is displaying the same symptoms and I'm sure it's not temp related.

I believe the mix may be a little rich on the coolant side, however, how
does one actually determine this and how much of a tolerance one way or the
other makes the sensor blink?

Is there a tool to test for the mix ratio? The turkey baster (for lack of a
better term) gadget gives a temperature tolerance. I suppose one could
extrapolate from this reading but would it be very accurate?

Phil
'89 Westy

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