Badger5Volks Autos
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  1. #1
    Reverse Gear

    Join Date
    Mar 2013

    A4 3.0 v6 misfire!!

    Hi there, just after a bit of help here!
    I purchased a 2005 a4 convertible 3.0 v6 (asn engine) from a friend with a suspected head gasket problem, No compression on no.1

    Stripped engine down and found there to be a hole in the side of the piston! Replaced the piston, head gasket and timing belt. Didnt have the timing tools so set engine to tdc using the mark on the crank pully and made my own tools before stripping it.

    After the rebuild, started it up and runs lovely, revs up fine with no codes. As soon as I drive it, it starts to stutter really bad and the engine light flashes. Go and plug it in again and says misfire on 1,2,3. I had the injectors refurbed, all new plugs and new coild on cylinders 1 and 3. Just wondering if anyone has any thoughts that maybe able to help me out a bit here?

    Many thanks


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  3. #2
    3rd Gear

    Join Date
    Mar 2010
    Durham NE
    What readings are you getting from the lambda probes, do both banks match each other, what fuel trims do you have?
    Silver Audi 8L S3
    97 Fireblade fully restored ...just for summer!
    My old Corrado VR6 Turbo... Click me for the build DIY style!
    and many many cars and bikes in the past!!



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