How can a vehicle owner prepare for an upcoming emissions test?

A vehicle owner can best prepare for an upcoming emissions test by maintaining the vehicle and ensuring it is free of leaks. This is crucial because a well-maintained vehicle is less likely to emit excessive pollutants. Regular maintenance, including checking and replacing the air filter, ensuring the fuel system is functioning properly, and addressing any leaks in the exhaust or fuel systems, can significantly improve emissions performance.

Ensuring that the engine is tuned and operating efficiently not only helps in passing the emissions test but also promotes better fuel efficiency and overall vehicle longevity. In contrast, neglecting maintenance or ignoring issues can lead to increased emissions, making it more difficult to pass the test. Therefore, proactive vehicle maintenance is essential.