So, a few months ago temp gauge stopped working. I replaced coolant temp sensor first since it was cheap and easy to replace. No fixy.
Next, off to the dealer. I assumed they would replace the thermostat - based on what I've read on here. NOPE, they said my after run/secondary water pump failed. They replaced, car worked fine for 3+ months.
Yesterday, temp gauge dies. 24 hrs its working again.
Seriously... why would they design a temp gauge to stop working when something was wrong with the cooling system. Dumbest idea ever. Thats when you need the gauge the MOST!