Oxygen Sensor Kit pre and post catalytic converter. Porsche 997.1 turbo / GT2

Oxygen Sensor Kit. Kit includes 4 x oxygen sensors (2 x pre and 2 x post catalytic converter). Function: The oxygen sensor (also called a lambda sensor) is located in the exhaust manifold and measures the amount of unburned oxygen in your engine's exhaust gas. Symptoms of failure: Excessive fuel consumption. Manufacturer: Kits.

• Porsche 997 MK1 TURBO (2007–2009)

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