What Causes the Car Temperature Gauge to Alarm?

[McJulian]

The reasons for the car temperature gauge alarm are: 1. Lack of antifreeze; 2. The thermostat fails to open normally or is stuck; 3. The water pump's pumping capacity deteriorates, causing poor water circulation; 4. The cooling fan does not work properly or rotates slowly after the water temperature rises. The solutions for the car temperature gauge alarm are: 1. Lack of antifreeze: Check for leaks, repair, and refill to the correct level; 2. Poor water circulation: If the thermostat fails to open normally or is stuck, replace the thermostat; 3. If the water pump's pumping capacity deteriorates, leading to poor water circulation and high temperature, the pump blades may be damaged, requiring replacement of the water pump; 4. If the cooling fan does not work properly after the water temperature rises, check the fuse, relay circuit, or inspect and replace the fan.