Does temp gauge work with no coolant?
Does temp gauge work with no coolant? You won't find any documentation on what the sensor will read with no coolent. It's designed to measure the temperature of the fluid that it is immersed. If you change that fluid for air it may not read anything at all. What should you do if your temperature gauge is not working? The first thing you always need to look at with a strange reading on your temperature gauge is giving a strange reading is the actual temperature of your engine. Always rule that out first before focusing on the gauge itself. If...