9-3 FWD (9440) L4-2.0L Turbo (B207R) (2009)
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Oxygen Sensor: Description and Operation
Front Preheated Oxygen Sensor (592)
Front Preheated Oxygen Sensor (592), T8
Location
Pre-heated oxygen-sensor, front (592)
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.
Type
Connection
