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What can have a detremental effect on the mapping of your car?

Discussion in 'A4/A4 cabriolet/S4 forum(B6 chassis)' started by Zolly, Apr 8, 2010.

  1. Zolly
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    Zolly New Member

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    [Apr 8, 2010]
    Having had my car mapped @1 yr ago it now doesnt seem as powerfull as it used to I have recently had my trubo replaced, although I know the map is stored in the ECU what can casuse the map to become corrupted and are there any obvious things you should look out for or avoid.

    What I mean is once it has been mapped should it remain in the ECU until you decide to delete or reset it back to factory defaults?

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