- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20157-11B1" - Not available
LEXUS - GS, ES, SC, LS 430, IS; AUDI - A4, A3; TOYOTA - Avensis, Camry; ALFA ROMEO - 159, 156