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Thread: Tyre pressure monitor question

  1. #1
    Join Date
    Feb 2011
    Location
    Ryde, NSW
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    Users Country Flag

    Tyre pressure monitor question

    How does this work? I pumped up my tyres to 2.7 bar around 4 months ago. I hit the tpm reset. Today the pressure was 1.8 bar. When is it supposed to warn me?
    MY12.5 Polo GTI | Candy White | Tint

  2. #2
    Join Date
    Aug 2009
    Location
    Sydney,NSW
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    218
    I pumped mine to 36psi and 10 days later the light come on and i check it read 31psi on one of the trye.so i guess roughly 15% change?
    2013 POLO GTI Black
    2005 MKV 2.0 FSI Black

  3. #3
    Join Date
    Feb 2011
    Location
    Ryde, NSW
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    Does the light stay on or only go when you start the car? My warning light was not on.

  4. #4
    Join Date
    Aug 2009
    Location
    Sydney,NSW
    Posts
    218
    The light stay on until u reset it by long press the button in glove box.
    2013 POLO GTI Black
    2005 MKV 2.0 FSI Black

  5. #5
    Join Date
    Aug 2009
    Location
    Sydney,NSW
    Posts
    218
    May be ur tpm havent set yet,thats why not light up.owner manual have a section to explain how it works
    2013 POLO GTI Black
    2005 MKV 2.0 FSI Black

  6. #6
    Join Date
    Jun 2011
    Location
    sydney
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    423
    Users Country Flag

    it uses wheel speed to determine a tyre with lower pressure, assuming all 4 tyres had lost equal pressure the system may have just thought everything is ok as wheel speed on all wheels is still identical.

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