Hey there. Today I was driving home from work, when the 'Low Coolant' warning came on. I thought to myself, 'There'* no way.', because I had just checked the fluids the previous day after I washed her, and everything was kosher. I waited for the engine to cool-down, and just checked it again. Sure enough, the warning came-up again. So, I did what most people would do; Actually check the coolant. Again, the coolant level was fine. I have a feeling it'* the sensor, but I was wondering if it'* worth replacing, and how hard it would be for a newbie to do. Is this sensor something I could order? Thanks for any help.