What happens if the catalyc converter is bad?

If the catalytic converter is bad, it can lead to reduced engine performance, increased emissions, and decreased fuel efficiency. The vehicle may exhibit symptoms such as a rough idle, sluggish acceleration, or a check engine light warning. Additionally, a failing catalytic converter can cause damage to other components of the exhaust system, leading to more extensive repairs. It’s essential to address any issues with the catalytic converter promptly to maintain vehicle performance and comply with emissions regulations.