What are the impacts of idling a car without driving it?

[DeQuinn]

If a car is idling without being driven, the short-term impact on the vehicle is minimal, but it will consume more fuel. However, prolonged idling without driving can damage the engine for the following reasons: 1. Extended idling leads to more severe carbon buildup in the engine; 2. The combustion efficiency of fuel deteriorates, creating a vicious cycle that results in reduced vehicle power and slower acceleration. Additional information: The wear and tear on an engine from prolonged idling is not reflected in the mileage. Comparing two engines with the same level of wear, the one subjected to frequent idling will have a significantly shorter lifespan in terms of total mileage compared to one that is not frequently idled. Thus, cars that idle frequently appear to have a shorter lifespan. 2. Moreover, prolonged idling results in lower combustion efficiency and poorer fuel quality, leading to increased carbon buildup, which further shortens the engine's lifespan. In conclusion, drivers are advised to avoid prolonged idling whenever possible.