Question about 2005 Porsche Cayenne

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Break booster faulty worning light is coming on in dash board. i drove the car and everything feels great. i cheched fluid level its full.what is the problem?

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  • adnanom Jan 05, 2009

    Thank you for helping . my problem was very simple. (sensor faulty) i toke care of it. thanks again.

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  • 138 Answers

Could be a (lack of) vacuum issue but more likely a faulty sensor.

Posted on Jan 03, 2009

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you need to check the break fluid level now
i do think it is too late tho
what it sounds like is air in your break system
you need to bleed the breaks not doing so can damage the break booster
you need to add fluid to the booster now as it will help and may not need bleeding
if you keep driving the way it is you may loose your breaks all together which is a danger to you and others
you need to have this attended asap it is not a hard job or expensive job
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