- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NGK "7979" - Not available
PEUGEOT - 306, 106, 405, 406, 206; CITROËN - Xsara, Saxo; ALFA ROMEO - 155, 145
Additional numbers
NGK:
OZA676-EE1