- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RECOFICIAL "CSL2189" - Not available
CHEVROLET - Astro, Avalanche, Tahoe, Alero; CADILLAC - CTS; BUICK - Lesabre; OPEL - Vectra C; PONTIAC - Bonneville; ...