Why should there be a "fill level issue"?  Did you fill it yourself?
 Either the expansion (pressure) tank is full enough to cover the sensor or
not?  Have you looked?
  If the tank is full and the wires are connected, maybe the gauge is NOT
working properly.

Larry A.

On Fri, Dec 13, 2013 at 10:22 AM, Dean S <predsmaniac@gmail.com> wrote:

> Hello all;ok I have the wacko flashing temp gauge syndrome which magically
> showed up  after a coolant flush...and replacement the coolant used was
> Pentofrost SF....My guess its either and air pocket or a fill level issue.
>
> I have read through allot of the archives and know the sensor and gauge are
> working properly,also the grounds are clean as a new babies behind etc. Am
> I over looking something with the fix? Any words of wisdom from the forum
> here is greatly appreciated.
>
> Thanks DS
>