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  1. #1
    Junior Member One Ring ASHKINGKILLER's Avatar
    Join Date
    Dec 20 2019
    AZ Member #
    531347
    Location
    Canada

    Misfire at idle but not while driving need advice/help

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    Ok imma do my best to explain this properly and keep it short

    I just finished a engine swap in my 01 a4. Had the factory AWM 1.8t and I swapped in a AWD 1.8t from a golf. The AWD motor doesn’t have VVT. Swap when fairly well for my first ever and the car runs and drive. Issue is at idle I got a misfire in multiple cylinders and cam over retarded code( I had the vvt solenoid plug in but just hanging). I thought maybe vvt solenoid was causing my codes so I unplugged it. Idle got more smooth but still rough. Still have misfire codes but over retarded code changed to the cam position actuator code. Car also has no exhaust after the cat at the moment but that’s going back on tomorrow so if that helps I’ll post a update

    My question is do I need to have the ECU tuned so it no longer has the vvt programming to fix my misfire? I feel like the car is trying to trim fuel as if it has the vvt. And is there some kind of temporary solution I can do to help in the mean time. Cause of COVID I currently don’t have a job and I’m living off of EI so funds are a bit tight hence why I’m asking if there’s a temporary solution I can do till I can save enough to get the ecu tuned


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  2. #2
    Junior Member One Ring TattooDave's Avatar
    Join Date
    Mar 10 2019
    AZ Member #
    461740
    My Garage
    78' f250
    Location
    Fountain, Florida

    I believe you can have the vvt coded out.

    Sent from my moto g(7) play using Audizine Forum mobile app

  3. #3
    Junior Member One Ring ASHKINGKILLER's Avatar
    Join Date
    Dec 20 2019
    AZ Member #
    531347
    Location
    Canada

    Quote Originally Posted by TattooDave View Post
    I believe you can have the vvt coded out.

    Sent from my moto g(7) play using Audizine Forum mobile app
    That’s all I can think it would be at this point cause like I said past idle it runs awesome

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