What Causes Sudden Engine Overheating?
1 Answers
Reasons for sudden engine overheating: 1. Thermostat failure: If the car thermostat malfunctions, the coolant can only circulate in a small loop, preventing the radiator from functioning properly and causing engine temperature to rise; 2. Cooling fan not working: Either the temperature control switch fails to activate or the temperature sensor malfunctions, both can cause the cooling fan to stop rotating; 3. Radiator blockage: Whether caused by internal scale buildup or external obstruction, radiator blockages prevent proper engine cooling, leading to elevated engine temperature; 4. Insufficient coolant: When low coolant level is detected, immediate replenishment is necessary to prevent engine overheating while driving.