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mikespain835

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Everything posted by mikespain835

  1. Thanks,I have located the relay ,and the relay checks out ok ,just in case I swapped it with another and still no power to pump,connect pins 3&5 together and pump works and the effect is felt on the brake pedal,so I would presume that the pressure sensor in the booster operates the relay for the pump so---How can the pressure sensor be checked and how does one locate it. thanks for reading
  2. Hi Everyone, 2004 cayenne turbo SCan someone tell me where the brake boost pump relay is,I have no power to the pump,the fuse is ok,. I have brake boost warning,first checked the pipes for leaks but the pump does not kick in.
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