What are the reasons for the Volkswagen Polo fan not working?

[LaMadeline]

polo fan not working may be due to lack of engine coolant, fan relay failure, engine water temperature sensor damage, etc. The following is a detailed introduction about car engines: 1. Overview: The car engine is the device that provides power for the car, determining the car's power, economy, stability, and environmental performance. According to different power sources, car engines can be divided into diesel engines, gasoline engines, electric vehicle motors, and hybrid power, etc. 2. Others: Common gasoline and diesel engines are reciprocating piston internal combustion engines, which can convert the chemical energy of fuel into the mechanical energy of piston movement and output power. Gasoline engines have high speed, small mass, low noise, easy starting, and low manufacturing cost. Diesel engines have a large compression ratio, high thermal efficiency, and better economic performance and emission performance than gasoline engines.