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Air Mass Meter Signal Too HIGH ???

bree9482 May 17, 2013

  1. bree9482

    bree9482 Member

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    Hi guys,

    Just had my 2002 A3 1.8T in Glasgow Audi today to have the ignition coils recal done. I also asked them to run a diagnostic on the car as l was expriencing rough idle, hesitation in 3+4 gear at 3500 revs which in turn illumnated the tractin control light.

    Last week l had run injection cleaner through the car, cleaned the MAF and cleaned the Throttle body.

    So they only changed 1 coil as it turns out that the car had 3 aftermarket coil packs and they could not replace them.

    They did however find faults, Air mass meter signal too high and turbo/throttle connection pressure drop. I was advised by Audi that the pressure drop was prob because i had the throttle body off ??

    So my question is would this indicate a faulty MAF Sensor ?? Would the MAF sensor trigger the traction control light to come on ??

    Cheers for ay help !!

    Brendan
     
  2. BENJAMIN

    BENJAMIN Active Member

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    Is the car mapped? If so by who?
     
  3. bree9482

    bree9482 Member

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    No mate as far as i know completely standard, l only bought it 2 weeks ago !!
     
  4. bree9482

    bree9482 Member

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    In reading through pages of forums, could this be a boost leak ?? if so is there anyway to test easily ??
     
  5. s3dave

    s3dave TFSI Hybrid Supporter

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    Faulty Maf brings the traction light on...
     
  6. bree9482

    bree9482 Member

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    Hi dave, im just reading through post on here. Acually the 1 im reading you are in it !! Anyways its quite interensting as someone called Murran is saying if i was getting the pressure drop fault with the MAF reading too high then its prob a boost leak !! Its only when im pushing the car in 3,4,5 gear the tcl comes on !! Im really starting to think its a leak rather than the MAF !!

    If i go disconect the maf and run for a few miles and the tcl does not come on, then its the MAF ??
    But if its still the same under heavy load, then its a leak ???

    What you thiink?
     

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