Originally Posted by cesanche
So my car consistently warms up after about 4 miles or 10 mins running, then fans kicks on high, then yellow to red - every time. Tray was taken out, no leaks, splashes evident - under car or from the top. So the only thing I have are the codes, which state those two conditions, water pump on/off due to fluid difference. Wonder if it's a sensor now or again if the water pump is to blame.
Did you guys ever figure out what this issue was? Mine is doing the same thing and I haven't had time to get to a shop yet. I did add some DI water to get me home, but overheated again on my way in to work this am. I'd rather not replace the pump/therm if it's a fluid thing...