Temp guage was acting funny. For awhilw it would read normal at running temp then it would read "zero" or stone cold. Periodically back to normal then fluctuating back to resting position. Now it's seems totally dead.
Replaced sending unit, no change. Once in a blue moon it will read normal but less than 5% of the time.
Fluid is topped up. Doesn't seem characteristic of a bad thermostat. What gives?