Replace Mazda 3 Series Exhaust Gas Recirculation Valve Replacement Cost. Discover Mazda 3 Series EGR & Mazda 3 Series Exhaust Gas Recirculation Valve. Maintaining the EGR (Exhaust Gas Recirculation) valve on your Mazda 3 Series is crucial for optimal engine performance and emission control. Regular inspections for carbon buildup and ensuring timely cleaning can significantly extend the EGR's lifespan. Symptoms like rough idling or a decrease in fuel efficiency could signal the need for a replacement. When selecting a new EGR, choose one that matches your model's specifications, considering options like vacuum-controlled or electronic modules, each designed for precise exhaust regulation. High-quality materials and proper installation are key to ensuring the new valve functions effectively, reducing emissions and enhancing your Mazda's drivability. Shop with us for reliable EGR valves that promise compatibility and durability, ensuring your Mazda remains an exemplar of performance and eco-friendliness.