9-3 (9440) L4-2.0L Turbo (2.0 T) (2006)
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Oxygen Sensor: Description and Operation
Front Preheated Oxygen Sensor (592)
Front Preheated Oxygen Sensor (592), T8
Main task
In order for the exhaust purification to be effective the catalytic converter requires an air/fuel ratio of exactly 14.7:1. The system is therefore equipped
with an oxygen sensor which is fitted before the catalytic converter. The front oxygen sensor is called 1 or O2S 1.
Connection
