Alaster Posted February 14 Posted February 14 Hello my Subaru Impreza gx sport has failed mot on emissions, had both front and rear lambda sensors changed but apperantly it is running to rich, does anyone know how to stop it from running rich
David Wilkinson Posted February 15 Posted February 15 I might be wrong but I know that the maf can also affect the air fuel ratio. It could be worth cleaning it.
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