- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Walker Products "450-34412" - Not available
AUDI - A4, A3, TT, A6; BMW - 3, 1; CADILLAC - Deville; CHEVROLET (SGM) - Blazer; ALFA ROMEO - 159, 156; ...