Volkswagen Santana Zhijun 2007-2010 Front Oxygen Sensor 33D906262

Volkswagen Santana Zejun 07-10 front upstream oxygen sensor, OEM number 33D906262, installed behind the exhaust manifold; monitors exhaust oxygen content and feeds ECU to adjust air-fuel ratio for combustion efficiency and emission control. Specifically matched to Santana Zejun 07-10 models; installation difficulty: medium; labor 30-45 minutes; protect threads during removal. If symptoms include rough idle, higher fuel consumption, weak acceleration, or check engine light, sensor may be aging or failing and should be replaced.