Car diagnostics play a vital role in modern vehicle maintenance by allowing for the precise identification of issues affecting a vehicle’s performance. Utilizing advanced computerized tools, technicians can access a car’s onboard diagnostics system to retrieve error codes and real-time data from various sensors and components. This process helps pinpoint problems related to the engine, transmission, exhaust system, brakes, and other critical areas. Early detection through diagnostics can prevent minor issues from becoming major, costly repairs and can enhance vehicle safety by ensuring that all systems function properly. Additionally, car diagnostics support emission control by identifying faults that may increase pollution. Overall, car diagnostics are essential for maintaining the efficiency, reliability, and environmental compliance of modern vehicles.