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abs & esp warning light lighting up??

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by codrock, Jul 9, 2009.

  1. codrock
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    codrock Member

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    doesnt do it at first then after a while the warning lights come on anybody any ideas?
    then all of a sudden the glowplug warning light started to flash???

    i hope it doesnt come in 3s:sign_unfair:
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  2. silversurfer
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    silversurfer Member

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    I have the ABS and ESP lights coming on whcn I had a S3, As it only happened occasionally I took it to my local garage (left the car running to keep the fault on the dash) and they checked the fault on the ECU.. Turned out to be a faulty ABS sensor on the Front o/s.
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  3. mrjheeta
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    mrjheeta Member

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    the same thing happened to me also, but it was the break switch that was faulty. i replaced it, and it's been fine since (touch wood)!
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  4. docurley
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    docurley Moderator Staff Member Moderator

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    Chances are it will be the Brake switch (commom Problem) or even a brake light bulb is out.
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  5. AudiSport
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    AudiSport Member

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    It's your 'Longitudinal Acceleration Sensor'. Had the very same thing on my Audi A3.
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