What is the problem with low engine water temperature?

[StErin]

Reasons for low engine water temperature: 1. Louver failure; 2. Cooling fan failure; 3. Water temperature sensor failure; 4. Thermostat failure. Solutions: 1. Check if there is any foreign object blocking the louver; 2. Check if the fan blades are operating normally; 3. Check if the water temperature sensor and circuit are short-circuited or open-circuited; 4. Disassemble and inspect the thermostat, observe its opening in water at different temperatures. An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, electric motors, etc. The engine can be used as a power generation device or refer to the entire machine including the power unit.