- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "91023" - Not available
CITROËN - Xsara, C5, C4, Saxo, C8; PEUGEOT - 206, 207; MINI - Cooper, Clubman
Additional numbers
NGK:
OZA457-EE31