How long to reset ECU???

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  • stiglet
    S2Forum Extremist
    • Aug 2007
    • 1264
    • Country: United Kingdom

    #1

    How long to reset ECU???

    Anyone know how long the battery needs to be disconnected for the ECU to reset?

    I know an all-nighter does the trick but i don't have that long!

    Just want to clear a few fault codes.

    Cheers.
  • DJones
    S2Forum Fiend
    • Jun 2005
    • 2020
    • Country: United Kingdom

    #2
    Originally posted by stiglet
    Anyone know how long the battery needs to be disconnected for the ECU to reset?

    I know an all-nighter does the trick but i don't have that long!

    Just want to clear a few fault codes.

    Cheers.
    I only give mine a minute all sorted..

    Comment

    • stiglet
      S2Forum Extremist
      • Aug 2007
      • 1264
      • Country: United Kingdom

      #3
      Originally posted by DJones
      I only give mine a minute all sorted..

      Brilliant thanks mate!

      Comment

      • Technogym
        S2Forum Addict
        • Dec 2004
        • 200
        • Country: Norway

        #4
        Will this be enough to have the ecu to clear the maf data? Having trouble with a S4 which has a very unstable idle and judders when giving throttle. Suspecting a faulty maf.... I understand that the ecu stores values from the maf, and this needs to be cleared from the ecu so that I can try to run the car with the maf disconnected...

        Any advise`??

        Vegard

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