- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES21142-12B1" - Not available
MERCEDES-BENZ - E-Class, C-Class, CLS, GLE, CLK; SMART - Fortwo; JEEP - Grand Cherokee, Wrangler; DODGE - Caliber, Journey