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Thread: Mk4 ecu problems

  1. #11
    Join Date
    Aug 2006
    Location
    Papua New Guinea
    Posts
    62
    Users Country Flag

    Are you sure it's the ECU? A misfire can also be caused by a leaky hose or stuck check valve. Just my 2c worth but it might be worth checking for leaks before you go to the trouble of changing out the ECU.
    Greg
    2002 New Beetle Turbo

  2. #12
    Join Date
    Feb 2018
    Location
    Melbourne AU
    Posts
    5
    Thread Starter
    The latest on it is that the ecu is fine. It's going back to the shop to be checked for dodgy wiring between the computer and coil 1. There's no spark when you unplug it while the car is running as opposed to the other coil packs

  3. #13
    Join Date
    May 2005
    Location
    Melbourne, Mexico
    Posts
    8,943
    Users Country Flag

    ignition control module on the airbox.

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