Posted on 9/26/2025

Fuel economy can drop for many reasons, from low tire pressure to aggressive driving. However, one hidden cause often goes unnoticed until it creates bigger issues, such as a clogged catalytic converter. While this component is vital for reducing harmful emissions, it can also become a roadblock to your engine’s performance when it isn’t working properly. If you’ve noticed sluggish acceleration, poor gas mileage, or a lingering check engine light, your catalytic converter might be to blame. What the Catalytic Converter DoesThe catalytic converter is part of your exhaust system. Its job is to take toxic gases produced by your engine and convert them into less harmful emissions before they leave the tailpipe. It works using a combination of heat and precious metals like platinum and palladium to create a chemical reaction. When the converter is clean and opera ... read more