Does the Catalytic Converter Affect the Engine

Can a Catalytic Converter Impact Engine Performance? Yes, the catalytic converter can affect the engine, especially if it is clogged, damaged, or malfunctioning. A failing catalytic converter restricts exhaust flow, causing reduced power, poor fuel economy, rough idling, and even engine overheating. How a Catalytic Converter Affects the Engine Signs That Your Catalytic Converter Is…