Which of the following is NOT a reason for failing a state inspection in Texas?

The presence of properly functioning lights is crucial in ensuring vehicle safety and compliance with state regulations. If the lights are operating correctly, they would not contribute to a failure during a state inspection in Texas. State inspections typically evaluate components such as emissions, structural integrity, and safety features, including lighting systems.

In contrast, excessive emissions, a damaged windshield, and faulty brakes are significant issues that can compromise vehicle safety and environmental compliance. Therefore, any of these problems could lead to a vehicle failing its inspection. Properly functioning lights, however, would indicate that this aspect of the vehicle is compliant with inspection criteria, making it the correct choice for what does not constitute a failure in the state inspection process.