Adjustment/replacement

/ 9-3 (9440) / 2011 / 2. Engine / 4-cyl petrol/E85 / Exhaust emission control system / Adjustment/replacement

📄 Catalytic converter

📄 Front, catalytic converter, US/CA

📄 Rear catalytic converter, B207 US/CA

📄 Rear catalytic converter, 4WD

📄 Secondary air pump

📄 Front catalytic converter, B207, 4WD

📄 Sensor, secondary air

📄 Valve, secondary air injection