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How to reset the pollution system warning light on the Renault Megane?

Model: Renault Megane Megane III, Megane 3 - Years 2008-2015
Part: Warning light – error code

When the pollution system fault light illuminates on the Renault Megane display, it indicates that this system is not functioning correctly. To turn off the light, it is necessary to replace the exhaust gas pressure sensor. The old exhaust gas pressure sensor will be located inside the engine compartment: it should be disconnected from its connector and removed from its seat by unclipping its retaining clips. The new sensor can then be inserted into its seat and connected to the connector. Replacing the sensor will cause the warning light to turn off.

Updated on 26 April 2026 by ScegliAuto

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