- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-S404P" - Not available
SAAB - 900, 9000, 9-5, 9-3; BMW - 3, 5; AUDI - A4, A6; CITROËN - ZX, Xsara; HYUNDAI - Accent, Lantra; FORD - Escort, Galaxy