What is required for a vehicle's catalytic converter during emissions testing?

The requirement for a vehicle's catalytic converter during emissions testing is that it must be intact and functioning. The catalytic converter plays a crucial role in reducing harmful emissions from the vehicle's exhaust by converting toxic gases into less harmful substances before they are released into the atmosphere. If the catalytic converter is damaged or not functioning properly, it can lead to increased emissions that exceed legal limits, failing the emissions test.

Additionally, having an intact and properly functioning catalytic converter is essential for the vehicle to comply with environmental regulations. This ensures that the vehicle contributes to cleaner air and reduces pollution, which is why regulatory agencies place such importance on its condition during emissions testing. The integrity and functionality of the catalytic converter are critical not only for passing inspections but also for maintaining the overall performance and environmental friendliness of the vehicle.