This MAZDA Lambda Sensor, part code PE121886Z, is a critical component for your vehicle's emissions control system. It accurately measures the amount of oxygen in the exhaust gases, providing vital data to the engine control unit (ECU). By relaying this information, the ECU can precisely adjust the fuel-air mixture, leading to improved fuel economy and reduced harmful emissions. A malfunctioning lambda sensor can result in poor performance, increased fuel consumption, and potential damage to your catalytic converter. Crafted to meet MAZDA's stringent quality standards, this sensor ensures reliable and long-lasting operation. Replacing your old or faulty sensor with this genuine MAZDA part will help restore your vehicle's optimal running conditions and environmental compliance.
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