9-3 (9440) L4-2.0L Turbo (2.0 HOT) (2003)
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Oxygen Sensor: Description and Operation
Front Heated Oxygen Sensor (592), T8
Front Heated Oxygen Sensor (592)
Main task
For exhaust purification to work well, the catalytic converter requires an air/fuel ratio of exactly 14.7:1. The system is therefore equipped with an oxygen
sensor mounted in front of the catalytic converter. The front sensor is known as oxygen sensor 1 or O2S 1.
Type
Connection
Pin No. 1-4
