Oxygen (O2) Sensor
Sensor generates voltage according to exhaust gas oxygen content. Voltage increases when oxygen content is low (rich), and decreases when oxygen content is high (lean). ECU determines air/fuel ratio based on voltage generated.
Sensor generates voltage according to exhaust gas oxygen content. Voltage increases when oxygen content is low (rich), and decreases when oxygen content is high (lean). ECU determines air/fuel ratio based on voltage generated.