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  1. MikesTractor

    Intermittant MISFIRE?? Audi a3 1.4 TFSI 2010

    NEED HELP. Very annoying problem. Not just any common misfire. I started having misfires when I bought the car 8 months ago. The misfire happened when the car reached 30mph and above. Like any good samaritan with a 2nd hand car without maintenance history, I changed spark plugs which cured the...