What are the main causes of car failures?

[OCollin]

Car failures are mainly caused by component failures and the quality of consumables. The following are the specific causes of car failures: Component failures: Some parts are inherently prone to wear and tear. In car design, it's impossible to make all components have the same lifespan. Some parts of a car are designed as wear-prone components. For example, air filter elements, spark plugs, and engine oil have relatively short service lives and require regular replacement. If not replaced in time or if they fail prematurely, the car will experience malfunctions. Quality of consumables: The main consumables in cars include fuel and lubricants, among others. Poor quality of these additives can severely affect the car's performance and lifespan, making it more prone to failures. Moreover, ensuring the quality of these additives is often difficult for users, posing significant risks to both the car and the engine.