Mazda Front Oxygen Sensor LFN1-18-8G1 Restore Engine Performance

Mazda MX-5 front oxygen sensor, OEM number LFN1-18-8G1 (corresponding to 234-9093). KLP brand uses high-temperature ceramic components and precise welding; tested durability shows stable operation for over 30,000–50,000 km. It continuously monitors oxygen content in exhaust and feeds signals to the ECU to adjust the air-fuel ratio, restoring engine power and reducing fuel consumption. Installation difficulty is moderate; use a dedicated socket to remove the old part to avoid thread damage; operate with a cold engine and apply anti-seize.