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ABS Pump running whenever I press the brake? Any ideas?

Discussion in 'A3/S3 Forum (8L Chassis)' started by Karl-g, Feb 17, 2014.

  1. Karl-g

    Karl-g New Member

    May 19, 2011
    Likes Received:
    Hi all,

    I have recently noticed my ABS pump kicking in every time i press the brake pedal, I am also getting fault code P0172 (system too rich)

    Could this be due to a vacuum leak near the brake servo, causing the pump to compensate a lack of vacuum?

    Grabbing a straws here before I take a trip to the stealers!

    Has anyone had a similar problem?

    Any advise would be great.


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