Okay start off with a 07 Audi A4 Quattro 2.0 fsi! Car idles fine, if throttle is pressed more than 20% under load no matter rpm's it misfires. Changed coils,plugs,dv,just had carbon cleaned, boost leak test! I get random misfires code and on 3 cylinder! Please help you can hardly drive it the way it is.
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