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: revving when pressing brake pedal? rich84 24-07-2009, 20:07:50 ?? anyone ever heard of this? a guy round the corner seen me workin on my car and asked if i knew about anythin like that. happens when the car is stationary lemonnobby 24-07-2009, 21:04:45 how hard does it rev? rich84 25-07-2009, 02:56:01 heard it could be the brake servo, quite noticiblly mate RS_Megane 25-07-2009, 15:10:57 Sounds to me like its "hunting" for air, this is sometmes caused if there is a split in the air intake or the airflow meter is bust, maybe worth checking.... If its purely when the brake pedal is pressed then no idea, sorry. Cheers Lee lemonnobby 28-07-2009, 21:11:30 could be the servo but not sure how it would happen inless its seeing a loss of vacuum from the pump and then ups the revs to compensate | |