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This lambda sensor (also called an oxygen sensor) was removed from a Renault Scénic RX4 (2000–2003) and monitors exhaust oxygen levels to help the engine control unit optimize fuel injection and emissions. OEM codes are 7700107438, 7700107438037, and 0258005134—match these against your original unit before ordering to ensure correct fitment. The sensor threads into the exhaust manifold or downstream pipe and is critical for proper engine management and catalytic converter function.
This lambda sensor (also called an oxygen sensor) was removed from a Renault Scénic RX4 (2000–2003) and monitors exhaust oxygen levels to help the engine control unit optimize fuel injection and emissions. OEM codes are 7700107438, 7700107438037, and 0258005134—match these against your original unit before ordering to ensure correct fitment. The sensor threads into the exhaust manifold or downstream pipe and is critical for proper engine management and catalytic converter function.
