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1998 V6 30v Passat wont idle after battery change

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  • 1998 V6 30v Passat wont idle after battery change

    My 1998 Passat has been my pride and joy and I have never has a problem with the car. It is serviced every 10,000 without fail.

    I recently had a new battery fitted ( yes it is the correct one).

    The car will start and idle ok whilst auto choke is operating however as soon as you get to a corner or roundabout the car simply stalls.

    Spoke to a mechanic who said take it for a long drive and it may reset the computers. No luck.

    The question- is there anyone with sufficent computer equipment to be able diagnose the problem or do I need to take out a second mortgage and go the local VW dealer. I am based in south west Sydney near Liverpool however prepared to travel for the right person. Any recommendations would be very much appreciated. Thanks.

  • #2
    Throttle body adaption reqd there, no base idle recognised. Changing the battery without keeping power to the ecu with an ecu saver will erase any learnt values
    Cheers
    Jmac
    Alba European
    Service, Diagnostics and repairs. Mobile Diag available on request
    Audi/VW/Porsche Factory trained tech 25+ yrs exp
    For people who value experience call 0423965341

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    • #3
      Throttle body adaptation would probably fix it up. You can do that with VCDS. www.ross-tech.com

      There's plenty of folk have the cables or you can hunt down an independent specialist.

      Gavin

      Beaten....................
      optimumcode@gmail.com | https://www.vwwatercooled.com.au/for...i-;-79012.html | https://www.facebook.com/TTY-Euro-107982291992533

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      • #4
        Originally posted by h100vw View Post
        Throttle body adaptation would probably fix it up. You can do that with VCDS. www.ross-tech.com

        There's plenty of folk have the cables or you can hunt down an independent specialist.

        Gavin

        Beaten....................
        Cmon Gav you run 2 laptops like me, slowing down in your old age
        Alba European
        Service, Diagnostics and repairs. Mobile Diag available on request
        Audi/VW/Porsche Factory trained tech 25+ yrs exp
        For people who value experience call 0423965341

        Comment


        • #5
          Thank you for your help.

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