David Prendergast wrote:

> So I'm driving along on the highway today on the way to buy a new
> cooler for High Country and I look down and the temp gauge is pegged
> and the led is flashing ... Any idea what causes this?

Most likely some air in the cooling system that finds its way to the top
of the expansion tank.  The sensor on the top of that tank detects low
coolant and hence the LED flashes and the needle pegs.  Changes in
engine speed and other factors may make the condition come and go.

Geo H

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